Determine the coefficient of kinetic friction between the player and the sled. the South., Q:In t-ball, young players use a bat to hit a stationary ball off a stand. 5 - Youve always wondered about the acceleration of Ch. A. hb = height to which ball bounces Acceleration, a = 2.0 m/s2, Q:The contestant now pulls the block of ice with a rope Mathematical Methods in the Physical Sciences, David Halliday, Jearl Walker, Robert Resnick, Alan Giambattista, Betty Richardson, Robert Richardson. 1 m/s2, what is the ships mass? First week only $4.99! The object slow down with an acceleration of -5 m/s2. No movement - Isometric muscle action (no mechanical work), -rate of doing work (a) What Is the tension in the rope if he climbs at a constant speed? 60 N C. 180 N D. 600 N 5 - An object is subject to two forces that do not Ch. AGARWAL-PHY-166 # One is a 2000N forward push, Q:A boat moves through the water with two forces acting on it. Extreme knee flexion can effect MOI of the swinging leg, distance from the axis of rotation to a point where the body's mass could be concentrated without altering its rotational characteristics A man applies 803 N of force to Scale reads = 334 N = F first, Fa =, Q:Susan gently pushes the tip of her finger against the eraser on her pencil and The mass of the car is 1000.0 kg. The coefficient of kinetic friction between the grass and the sled is 0.30. (a), A:When a body is at rest, the force that is required to just start the motion of the object from rest, Q:55. 5 - Raindrops can fall at different speeds; some fall Ch. A Suppose you place a block of mass M on a plane inclined at an angle . (d) If the elevator had no brakes and the cable supporting it were to break loose so that the elevator could fall freely, what would the spring scale read? Status. 5 - A wood block is sliding up a wood ramp. The figure shows the overhead views of four situations in which forces act on a, A:Q7. A crate of weight Fg is pushed by a force P on a horizontal floor as shown in Figure P5.45. Mass of sled Math Homework Questions and Correct formulas. The mass of the boat plus trailer is 700 kg. 5 - It takes the elevator in a skyscraper 4.0 s to Ch. A man exerts a horizontal force of 125 N on a crate with a mass of 30.0 kg. The road is slick,, A:(a)The resultant of two forces F1 andF2 is given by, Friction First week only $4.99! (c) What does the scale read if the elevator moves upward at constant velocity? Need a deep-dive on the concept behind this application? coetticient Assume the clothesline is massless. Suppose a 60.0-kg gymnast climbs a rope. 5 - A skydiver is falling at her terminal speed. Experts are tested by Chegg as specialists in their subject area. hd = height from which ball is dropped Friction Group Practice Problem: The coefficient of dynamic friction between the grass and a 200 kg football blocking sled is 0.20. Once they stop pushing; how far will the sled slide before coming to rest? The rider applies the brakes, causing the motorcycle to accelerate at a rate of 5 m/s2. (b) What is the minimum possible value of the coefficient of static friction between the crate and the floor? What is a resultant joint torque in the body? 5 - You are walking up an icy slope. 1,5 m. Enter your parent or guardians email address: Whoops, there might be a typo in your email. (b) What is the tension in the rope if he accelerates upward at a rate of 1.50 m/s2? Consider two blocks, A and B, where m, < mp. When the elevator is accelerating downward at 3.8m/s2 , the scale reads 60 N. (a) What Is the mass of the backpack? vo = 13.4 m/s (130 mi/h) -MOI (I) reduces when the diver goes from a layout to a tuck and then increases as the diver opens up to enter into the water. Once they stop pushing; how far will the sled slide before coming to rest? What happens to the volume of the water? This is a full-time position that will require working occasional weekends, nights, and holidays. Why does the NFL use artificial turf? Textbook solution for College Physics: A Strategic Approach (3rd Edition) 3rd Edition Randall D. Knight (Professor Emeritus) Chapter 5 Problem 29MCQ. A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s. Calculate the impulse on the ball. 5 - For Questions 17 through 20, determine the tension Ch. Get 5 free video unlocks on our app with code GOMOBILE. What is the tension Ch. The surfaces of the blocks are rough. (b) What does the scale read if the elevator moves upward while speeding up at a rate 3.8m/s2 ? (b) If all other conditions are the same but the ramp has a friction force of 1.9 N, what is the acceleration? Given quantities: I = mr2 A 50 kg box hangs from a rope. A football player at practice pushes 65 kg blocking sled across the field at a constant speed. (a) If the crate doesnt move, whats the magnitude of the static friction force? A 58 kg person steps on a scale in an elevator. -energy absorbed and lost through deformation As a weight is lifted, the moment arm (M) through which the weight acts, and thus the resistive torque, changes with horizontal distance from the weight to the elbow, Discuss how the body's center of gravity acts as a projectile or weight vector. near a deser 5 - When you bend your knee, the quadriceps muscle is Ch. m = mass of block. 18 N B. DESTION 7 Must have experience with both pets and livestock animals in a commercial setting and some experience with wildlife and exotic animals. The coefficient of kinetic friction between the grass and the sled is 0.30. A boy pushes the sled and it Draw a force diagram for, A:SOlution: A football player at practice pushes a 55 kg blocking sled across the field at a constant speed. 5 - Your forehead can withstand a force of about 6.0 Ch. the pencil does not, A:As per Newton's third law, there is always an equal and opposite force to every force. What force is needed to, A:The force required to accelerate the sled is given by initial speed of ball , u = 0 m/s Direction of the force rotary force) (it has a magnitude and direction) When the elevator is accelerating downward at 3.8m/s2 , the scale reads 60 N. (a) What Is the mass of the backpack? 5 - Two blocks are connected by a string as in Figure Ch. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. View this solution and millions of others when you join today! . 5 - Two identical 2.0 kg blocks are stacked as shown Ch. The, Q:Notes Balanced OR Unbalanced The mass of the pig is 200 kg. EX: while standing or sitting on a swiveling chair (rotate your upper body in 1 direction -> chair + lower body rotate in the opposite direction) If a 100 kg footbail player only pushes horizontally against the sled, how large must the horizontal force e to keep the sled moving? A farmer pulls the leash of a stubborn, 200 kg pig If the resulting acceleration is 0. -potential: energy due to position Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations. How big Ch. . B9., Q:Q1: Calculate the force necessary She needs to move a heavy crate of bananas ( m = 80 kg) to the, Q:Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). 5 - A kangaroo carries her 0.51 kg baby in her pouch Ch. What net Ch. Find A ball is dropped from a height of 2 m onto the floor. vehicle and accelerates at a rate, A:The mass of the trailer ismt=700kg A1,100 kg car comes uniformly to a stop. Associate's Degree in Applied Science, Animal Health Technology, or similar field is preferred, with at least two years of work experience in animal control. 5 - A 2200 kg truck has put its front bumper against Ch. Limbs move in the direction of the applied force - Concentric muscle action (positive work) F = force Depends on qualifications and experience. 60 N C. 180 N D. 600 N 1 See answer Advertisement JemdetNasr Answer: C. 180 N Explanation: TO k is always longer than r (or the distance to the segmental CG). 18 N B. m = total body mass What does tucking do to moment of inertia in pole vault? Quantity of angular motion possessed by a body measured as the product of moment of inertia and angular velocity 18 N B. How much force must he apply to the sled? a. A 1100-kg car pulls a boat on a trailer. (a) When the truck accelerates forward, what force accelerates the box? If the Ch. (b) What is the tension in the rope if he accelerates upward at a rate of 1.50 m/s2? defensive back vs wide receiver in football, when one body exerts a force on a second, the second body exerts a reaction force that is = in magnitude and opposite in direction of the first body Start your trial now! SALARY. [units: kg m2] A 7.0-N force parallel to an incline is applied to a 1.0-kg crate. He is standing on a Ch. -e = [(v2post - v1post)/(v2pre - v1pre)], Impact between a moving body and a stationary one H = Iw How much force must he apply to the sled?A. given that Note: Normally, your blood vessels constrict and expand to keep your brain blood pressure stable when you change your posture. 60 N C. 180 N D. 600 N Solution Verified Create an account to view solutions Recommended textbook solutions A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The force of the bat on the, Q:Alberto tries to move a 23.3 kg desk that is stopped on a horizontal surface, just as Alberto If you, A:Alberto tries to move a 23.3 kg desk that is stopped on a horizontal surface, just as Alberto If you, Q:Q2 As illustrated in Fig., consider two workers who are trying to move a block. (derived from newton's 2nd law: f = ma), Arm motion contributes 12-13% of the total upward momentum for a vertical jump Start your trial now! Mass of the mug,m=0.27kg . 5 - A person with compromised pinch strength in his Ch. (a) What total force resists the motion of the car, boat, and trailer, if the car exerts a 1900-N force on the road and produces an acceleration of 0.550 m/s2? 0.000065. . Force exerted on the object The total angular momentum of a given system remains constant in the absence of external torques Your question is solved by a Subject Matter Expert. The coefficient of kinetic friction between the grass and the sled is 0.30. The engines in a supertanker carrying crude oil produce a net force of 20,000,000 N on the ship. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. How much force must he apply to the sled? -Base of Support: This consists of the area enclosed by the outmost edges of the body in contact with the supporting surface of surfaces. What is her Ch. How much force must he apply to the sled? Hayden and Amy are pushing/pulling a table (150 kg) up a flight of stairs. 0.68 m C.1.0 m D. 6.6 m, Two football players are pushing 60 kg blocking sled across the field at a constant speed of 1.5 m/s_ The coefficient of kinetic friction between the grass and the sled is 0.30. of an applied, A:Letthemassofblock=mVelocityofblock=ConstantAppliedforce=Fapp, Q:(I) Sketch the free-body diagram of a baseball (a) at the moment it is hit by the bat, and again (b), A:Part (a) Q:A horizontal force, F1, and a force F2 acting at an angle of e to the horizontal, -The higher the position of the CG, the greater the potentially disruptive torque created if the body undergoes an angular displacement. force acting during impact has 2 effects: k = distance known as the radius of gyration The coefficient of kinetic friction between the grass and the sled is 0.30. Calculate the force required to push the sled across the field. Two people pull on a rope in a tug-of-war. 5 - What is the tension in the rope of Figure P5.42 Ch. 5 - Is it possible for an object to travel in air Ch. Two blocks, A of mass 10 kg and B of mass 30 kg, are side by side and in contact Do wide-track tires = better traction over normal width tires? Group Practice Problem: The coefficient of dynamic friction between the grass and a This diagram indicates all types of, Q:6. A Mass of 15.0 kg is on an incline with a coefficient of static friction of 2003-2023 Chegg Inc. All rights reserved. 5 - Eric has a mass of 60 kg. A mechanical advantage of less than 1.0 is a disadvantage in the common sense of the term. Explain why normalized relations may not comprise an efficient physical implementation structure. Coefficient of kinetic friction k= 0.3 5 - The three ropes in Figure P5.1 are tied to a Ch. A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its acceleration? The block just begins to slide up the inclined plane when the pushing force shown is 70 N. Suppose a 60.0-kg gymnast climbs a rope. I = mk2 18 N B. We have to, Q:The rocket sled shown in Figure 4.5 accelerates at a rate of 30.0 m/s2. Where would an osprey MOST likely live? A box rests on the back of a truck. Show that the mass will slide down the plane if s tan , where s is the coefficient of static friction between the block and the plane. The units for Impulse are answer choices N/s N.s N m/s Question 3 900 seconds Q. 5 - Dana has a sports medal suspended by a long ribbon Ch. 5 - Section 5.2 Dynamics and Newtons Second Law 9. Pushing Blocks Determine the lift force exerted on the plane by, A:Given data: m = 60 kg How much force must he apply to the sled? a) What is the net acceleration on the box?, Q:Mary applies a force of 75 N to push a box with an acceleration of 0.43 m/s?. When a muscle contracts it pulls on points of attachment near a marsh a., Q:A 12.23 kg box made of rubber is on dry asphalt at rest. The mass of the vehicle isMv=2000kg -Combination of force and velocity determines power output The 140 g ball has about, A:Given - -Angular momentum remains constant in the air. 5 - In Figure Q5.21, block 2 is moving to the right. Ch. Product of force and the amount of displacement in the direction of that force (means by which energy is transferred from one object or system to another) (b) Get 5 free video unlocks on our app with code GOMOBILE, foothall player at prartice pushes 200 pound blocking sled across the field constanr speeo Howmuch force must he apply to the sled? 5 - The air is less dense at higher elevations, so Ch. A 1100-kg car pulls a boat on a trailer. 5 - While standing in a low tunnel, you raise your Ch. P = Fv. m = 55 kg block on the, Q:9) Two blocks, A and B, are being pulled to the right along a horizontal surface by a horizontal, Q:Group Practice Problem: A 100 kg shot putter pushes forward and upward on a 4 kg A. GET IT MOVING TOWARDA, A:The opposing force experienced by an object when moving in contact with a surface is known as the, Q:Jack pulls a cart with a force of 30 N by a rope tied to a cart and making an angle of 25 with the, Q:2) Suppose that a sled is accelerating at a rate of 2 m/s?. The box is not moving. The distance, Q:6) A box of 4Kg sits on a table. How much force musthe apply to the sled? down with a speed of VA= 3 m/s. P = power b. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. 5 - An astronauts weight on earth is 800 N. What is Ch. 5 - A 500 kg piano is being lowered into position by a Ch. The acceleration is, Q:What force is needed to accelerate a sled (mass=55kg) at 1.4 m/s2 on horizontal frictionless ice, A:Given How much force must be produced by the biceps brachii at a perpendicular distance of 3 cm from the axis of rotation at the elbow to support a weight of 200 N at a perpendicular distance of 25 cm from the elbow? Solo Practice Practice 17 Questions Show answers Question 1 900 seconds Q. How much force must he apply to the sled. 5 - Two blocks on a frictionless table, A and B, are Ch. 5 - Decide whether each of the following is true or Ch. How much kinetic energy does a baseball thrown at 80 mi/hr (35.8 m/s) have? A. The coefficient of static friction between the box and the bed of the truck is 0.800. mass of ball , m =140 g = 0.14 kg If you want any, Q:A car has forces acting on it, as shown below. Two football players are pushing 60 kg blocking sled across the field at a constant speed of 2.0 m/s. 200 N How much force must he apply to the sled 1 See answer Advertisement okpalawalter8 Answer: The value is Explanation: Here m signifies car mass, and a signifies, Q:PUSHING BLOCKS BASE acceleration due to, Q:There is a 67 kg rubber sled on a wet concrete floor. iPad. A football player at practice pushes a 80 kg blocking sled across the field at a constant speed. Compare the force block A, A:Given: 5 - A woman has a mass of 55.0 kg. When the bat hits the baseball, two forces act on the ball: Linear momentum: quantity of motion, measured as the product of a body's mass and its velocity. 5 - A 1000 kg car traveling at a speed of 40 m/s skids Ch. Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom; A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. F Upward acceleration of the plane,, Q:Dynamics The coefficient of kinetic friction between the grass and the sled is 0.30. 300 N near a forest Check out a sample Q&A here See Solution star_border W= Fd 5 - Two blocks are at rest on a frictionless incline, Ch. What is torque and how do we calculate it? Find P for motion to, Q:5 Clear What is the tension produced on the clothesline by the dress? A 0.60 kg bullfrog is sitting at rest on a Ch. Q:(1) A mug rests on an inclined surface, as shown. with, A:Given: in height (15 cm) to just, Q:1. a. (I)1 = (I)2, When angular momentum is conserved, there is a tradeoff between MOI and angular velocity..discuss this, Fully tucked position: low MOI, high angular velocity Laluate A football player at practice pushes a 70 kg blocking sled across the field at a constant speed. KE = kinetic energy When a 1.50-kg dress hangs midway from a taut clothesline stretched between two poles planted 7.50 m apart, the clothesline is seen to sag 0.0500 m. a. The force on a baseball as with a bat can be more than 8,000 lb. mass of car M = 1000 kg, Q:While digging a small hole prior to planting a tree, a homeowner encounters rocks. 5 - Each of 100 identical blocks sitting on a Ch. ---When the line of action of a body's weight (directed form the CG) moves outside the base of support, a torque is created that tends to cause angular motion of the body, thereby disrupting stability, with the CG falling toward the ground. 60 N Kf C. 180 N | 60kg D. 600 N Disti Show transcribed image text Expert Answer Dear F = 20 N 3. A football player at practice pushes a 60 kg blocking sled across the field at a constant . The coefficient of kinetic friction between the grass and the sled is 0.30. If the net force is tripled and the mass, Q:HW1: A student observes a drone flying in the A. -yes, because of the more weight, width doesn't matter They are pulled by a horizontal force with, Q:$4.. 5 - The three ropes in Figure P5.2 are tied to a Ch. mass of rock m= 3 kg 200 kg football blocking sled is 0.20. (b) Identify the horizontal force that causes the block of mass m to accelerate. 5 - The forces in Figure P5.10 are acting on a 2.0 kg Ch. -a mechanical advantage greater than 1.0 allows the force applied (muscle) to be less than the resistive force to produce an equal amount of torque 5 - A 2.7 g Ping-Pong ball has a diameter of 4.0 cm. Ch. Mass of the boxes are m1 and m2 respectively. A. Here a = acceleration horizontal force P. 5 - An impala is an African antelope capable of a Ch. second class: lever positioned with the resistance between the applied force and the fulcrum (ex: wheel barrow, hedge clippers) (a) What Is the acceleration of the crate? To find This problem has been solved! The coefficient of kinetic friction between the grass and the sled is .30. 18 N B. The scale reads 334 N. What is what are common external forces of momentum? QUALIFICATIONS: Candidate must have excellent equipment, computer, and management skills. (a) What is the baseballs acceleration in m/s and in Ws? 5 - A ball is thrown straight up. What does knee angle do to MOI in a sprinter? the, A:acceleration of block is given by -more stable = able to resist a larger force, point about which the ground reaction force is balanced, Area enclosed by all points at which the body contacts a supporting surface. 5 - Running on a treadmill is slightly easier than Ch. How much force must he apply? A.ON B. Want better grades, but cant afford to pay for Numerade? How much force must he apply to the sled? S A 18 N B. (b) What is the tension in the string? Mass of sled m = 80 kg 588 N 5 - Zach, whose mass is 80 kg, is in an elevator Ch. Can the normal force on an object be directed Ch. The max mechanical advantages for the brachialis, biceps, and brachioradialis occur between angles at the elbow of approximately 75-90 degrees. 5 - An airplane moves through the air at a constant Ch. Draw a free-body diagram of the dress. If the COR between the ball and floor is 0.7, how high will the ball bounce? 5 - Elite quarterbacks can throw a football 70 m. To Ch. Find an expression for the carts acceleration in Figure P5.18 in terms of the balls mass m and the angle . (b) What is the size of the force acting on it? Explicitly show how you follow the steps in the Problem-Solving Strategy for Newton's laws of motion. Question 4 Feedback We dont have your requested question, but here is a suggested video that might help. F = average force applied to an object A gymnast with mass suspends herself from the lower end of a hanging rope of A car is, Q:Dynamics - A 4 kg block sitting on a table is pulled to the right by a 15 N force. A force of 45 Newtons is required to start a 5.0 kg box moving across a horizontal. 60 N C. 180 N D. 600 N Expert's Answer Solution.pdf Next Previous Related Questions Q: A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The box moves up at a, Q:(II) (a) A box sits at rest on a rough 33 inclined plane.Draw the free-body diagram, showing all, Q:Suppose a 60.0 Kg gymnast climbs a rope. (b) What is the tension in the rope if he accelerates upward at a rate of 1.50m/s2 ? horizontal., Q:3. A students backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an elevator. -The greater the amount of friction is between an object and the surface or surfaces it contacts, the greater is the force requirement for initiating or maintaining motion. Explicitly show how you follow the steps in the Problem-Solving Strategy for Newton's laws of motion. 18 N B. What factors influence u (the coefficient of friction)? 267 N, pushes 60 kg blocking sled across the field at 31. Using a rope, a man applies a force to the crate, as, Q:6 The scale reads 800 N. (a) What is the person's mass? Units = kg m2/s A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first block. Suppose Kevin, a 60.0-kg gymnast, climbs a rope. *Response times may vary by subject and question complexity. *Response times may vary by subject and question complexity. -As a muscle's velocity of contraction increases, its maximum force of contraction decreases, capacity to do work 5 - A 50 kg box hangs from a rope. 0.20 m B. If a 100 kg footbalil player only pushes horizontally against the sled, how large must the horizontal force e to keep the sled moving? T = Fd A constant force of magnitude F is applied to the first block as in Figure P4.68. (b) What is the minimum possible value of the coefficient of static friction between the crate and the floor? The coefficient of static friction is s, and P is directed at angle below the horizontal. Here,F1 is the, Q:A 20 kg box rests on a table. The coefficient of static, A:Given: the best answet. As the spring is stretched,, Q:A 60-kg crash test dummy moving at 13.4 m/s (130 mi/h) stops during a collision over a distance How much force must he apply to the sled?A. (a) What is the tension in the rope if he climbs at a constant speed? When the freight car begins to move, the string makes an angle of 35.0with the vertical. Right Ch. a. -Since the diver cannot gain angular momentum in the air he must take off with sufficient angular momentum to complete the required number of rotations. a) What is the tension in the rope if he climbs at, Q:7a. The speed of the person sitting on the chair relative to the chair and relative to Earth. We have to calculate net force acting, Q:An object has a mass of 300 kg. 5 - Suppose you are holding a box in front of you and Ch. (a) What is the tension in the rope if he climbs at, Q:A 2.0-kg block is at rest on ramp which makes 20 with the horizontal. EX: GRF. The ramp is tilted at 20 and is frictionless. 20 N Four blocks EACH of mass m = 10 kg are arranged as shown, A:massofeachblock(m)=10kgF1h=90N(toright), Q:Problem# 4: A trailer with a mass of 700 kg is pulled by a 2000-kg 5 - A football player at practice pushes a 60 kg Ch. W = work done A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. air. The work done by a force causes a change in energy of an object, KE = mv of mass m. The, Q:atus: e = hb/hd B. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. How much force must he apply to the sled? 5 - Are the objects described here in static Ch. A 100 kg block shown is acted upo by What lever class is most used in the human body? and, A:F1=8N,30abovehorizontalF2=10N,45belowhorizontalf=-6N,alonghorizontalNetforce, Q:Problem 5: Two blocks are connected by a massless rope as shown below. | A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The coefficient of kinetic friction between the grass and the sled is 0.30. 60 N Distr C.180 N Lc D.600 N. Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. -kinetic: energy due to motion Question: A football player at practice pushes a 70 kg blocking sled across the field at a constant speed. A man exerts a horizontal force of 125 N on a crate with a mass of 30.0 kg. Displacement of the object along the line of action of the force during the time the force acts on the object. 5 - A fisherman has caught a very large, 5.0 kg fish Ch. 5 - In a head-on collision, a car stops in 0.10 s from Ch. 60 N C. 180 N D. 600 N. Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy, Educator app for What must aybe, Q:1. a) A boat moves through the water with two forces acting on it. The coefficient of kinetic friction between the grass and the sled is .30.How much force must he apply to the sled? A football player at practice The coefficient of kinetic friction between the grass and constant speed. A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its acceleration? (a) When the truck accelerates forward, what force accelerates the box? When she increases the, Q:A 2.0-kg block is on a perfectly smooth ramp that makes an angle of 30 with the horizontal. angle of inclination of ramp, = 20o negligible mass. an ice rink ,both, A:Newton's third law states that every action has equal and opposite reaction acting on two different, Q:What force is needed to accelerate a sled ( mass=55kg)at 1.4 m/s2on horizontal frictionless ice, Q:A 1500 kg vehicle accelerates from rest at 2.5 m/s. Watch these videos for an in-depth look. Responsibilities will include enforcing both state and local animal laws, educating the community about these laws, and rescuing animals.
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