At the same instant that a 0.50 kg ball is dropped from a distance of 25 m above the ground, a second ball, with a mass of 0.25 kg, is launched vertically from the ground with an initial velocity of 15 m/s. The trajectories of the balls are close, but allow them to pass each other without colliding. After 2.0 s, the velocity of the center of mass of the two-ball system is acceleration of gravity g = 10 m/s2 . Choose an option: a)11 m/s, downwards. b)11 m/s, upwards. c)20 m/s, downwards. d)15 m/s, downwards. e)15 m/s, upwards.
At the same instant that a 0.50 kg ball is dropped from a distance of 25 m above the ground, a second ball, with a mass of 0.25 kg, is launched vertically from the ground with an initial velocity of 15 m/s. The trajectories of the balls are close, but allow them to pass each other without colliding. After 2.0 s, the velocity of the center of mass of the two-ball system is acceleration of gravity g = 10 m/s2 . Choose an option: a)11 m/s, downwards. b)11 m/s, upwards. c)20 m/s, downwards. d)15 m/s, downwards. e)15 m/s, upwards.
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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At the same instant that a 0.50 kg ball is dropped from a distance of 25 m above the ground, a second ball, with a mass of 0.25 kg, is launched vertically from the ground with an initial velocity of 15 m/s. The trajectories of the balls are close, but allow them to pass each other without colliding. After 2.0 s, the velocity of the center of mass of the two-ball system is
acceleration of gravity g = 10 m/s2 .
Choose an option:
a)11 m/s, downwards.
b)11 m/s, upwards.
c)20 m/s, downwards.
d)15 m/s, downwards.
e)15 m/s, upwards.
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