Please answer number 11 9. Suppose that a runner on a straight track covers a distance of 1 mile in exactly 4 mins. What was his averagevelocity in ft/sec?10. What is the average power expended to accelerate a bullet of 10gm mass to a speed of 800m/s in 1.2 sec?11. Suppose you throw a ball with a mass of 0.40kg against a wall. It hits the wall moving horizontally to the leftat 30m/s and rebounds horizontally to the right at 20m/s. Find the impulse of the net force on the ball during itscollision with the wall.

Given data: Mass of ball, m=0.40 kg Initial velocity of a ball, vi=30 m/s Final velocity of a ball,…

11. Suppose you throw a ball with a mass of 0.40kg against a wall. It hits the wall moving horizontally to the left at 30m/s and rebounds horizontally to the right at 20m/s. Find the impulse of the net force on the ball during its collision with the wall. 1

11. Suppose you throw a ball with a mass of 0.40kg against a wall. It hits the wall moving horizontally to the left at 30m/s and rebounds horizontally to the right at 20m/s. Find the impulse of the net force on the ball during its collision with the wall. 1

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 51P: (a) Sketch a graph of the potential energy function U(x)=kx2/2+Aex2 where k , A, and are constants....

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Similar questions

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Bullet 2 has twice the mass of bullet 1. Both are fired so that they have the same speed. If the kinetic energy of bullet 1 is K, is the kinetic energy of bullet 2 (a) 0.25K, (b) 0.5K, (c) 0.71K. (d) K, or (e) 2K?
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