Newton's Laws of Motion 1. What force is needed to accelerate a sled (mass=55kg) at 1.4m/s^2 on horizontal frictionless ice? 2. How much tension must a rope withstand if it is used to accelerate a 1210-kg car horizontally along a frictionless surface at 1.20m/s^2? 3. Estimate the average force exerted by a shot-putter on a 7.0kg shot if the shot is moved through a distance of 2.8m and is released with a speed 13m/s.

Newton's Laws of Motion 1. What force is needed to accelerate a sled (mass=55kg) at 1.4m/s^2 on horizontal frictionless ice? 2. How much tension must a rope withstand if it is used to accelerate a 1210-kg car horizontally along a frictionless surface at 1.20m/s^2? 3. Estimate the average force exerted by a shot-putter on a 7.0kg shot if the shot is moved through a distance of 2.8m and is released with a speed 13m/s.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 5.8P: (a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is...

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(a) A cat with a mass of 850 kg in moving to the right with a constant speed of 1.44 m/s. What is the total force on the cat ? (b) What is the total force on the cat if it is moving to the left?
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