A tennis ball moving horizontally to the left at 40 m/s hits a racket and rebounds horizontally to the right at 30 m/s. If the mass of the ball is 100 grams, find the impulse of the force (in kg-m/s) exerted on the ball by the racket. 1. 7 N-s b. 1 N-s a. с. 14 N-s d. 21 N-s

A tennis ball moving horizontally to the left at 40 m/s hits a racket and rebounds horizontally to the right at 30 m/s. If the mass of the ball is 100 grams, find the impulse of the force (in kg-m/s) exerted on the ball by the racket. 1. 7 N-s b. 1 N-s a. с. 14 N-s d. 21 N-s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

1. A tennis ball moving horizontally to the left at 40 m/s hits a racket and rebounds horizontally to the right at 30
m/s. If the mass of the ball is 100 grams, find the impulse of the force (in kg-m/s) exerted on the ball by the racket.
7 N-s
1 N-s
а.
с. 14 N-s
b.
d. 21 N-s
A man of mass m = 65 kg jumps off a table at height h = 2 m. While hitting the floor he bends his knees such that the
time of contact is 0.1 s.

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