A tennis ball (mass = 0.060 kg) is thrown horizontally from the top of a cliff, 10.0 m above the base of the cliff, with an initial speed of 10.0 m/s. The tennis ball reaches the ground a horizontal distance of 19.0 m from where it was thrown. Its speed when it hits the ground is 16.1 m/s. %3D (a) How much work is done by the gravitational force as it goes from the point of release, r, = (0, 10, 0) m, to the point where it hits the ground rf = (b) What is AK, the change in kinetic energy of the tennis ball from whan it was thrown to when when it hits the ground? (19.0,0, 0) m? (c) How much work is done by air resistance (i.e. friction) as the tennis ball moves from its point of re- lease to the point where it hits the ground?
A tennis ball (mass = 0.060 kg) is thrown horizontally from the top of a cliff, 10.0 m above the base of the cliff, with an initial speed of 10.0 m/s. The tennis ball reaches the ground a horizontal distance of 19.0 m from where it was thrown. Its speed when it hits the ground is 16.1 m/s. %3D (a) How much work is done by the gravitational force as it goes from the point of release, r, = (0, 10, 0) m, to the point where it hits the ground rf = (b) What is AK, the change in kinetic energy of the tennis ball from whan it was thrown to when when it hits the ground? (19.0,0, 0) m? (c) How much work is done by air resistance (i.e. friction) as the tennis ball moves from its point of re- lease to the point where it hits the ground?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 67P: In 2015, in Warsaw, Poland, Olivia Oliver of Nova Scotia broke the world record for being the...
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