Ball A has a mass of 3 kg and is moving with a velocity of 8 m/s when it males a direct collision with ball B, which has a mass of 2 kg and is moving with a velocity of 4 m/s. If e = 0.7, determine the velocity of ball A just after the collision. Neglect the size of the %3D balls. Use absolute value. 8 m/s 4 m/s B

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.34P: An electric scooter has a battery capable of supplying 120 Wh of energy. If friction forces and...
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Ball A has a mass of 3 kg and is moving with a velocity of 8 m/s when it males a direct
collision with ball B, which has a mass of 2 kg and is moving with a velocity of 4 m/s. If e
= 0.7, determine the velocity of ball A just after the collision. Neglect the size of the
%3D
balls. Use absolute value.
8 m/s
4 m/s
B
Transcribed Image Text:Ball A has a mass of 3 kg and is moving with a velocity of 8 m/s when it males a direct collision with ball B, which has a mass of 2 kg and is moving with a velocity of 4 m/s. If e = 0.7, determine the velocity of ball A just after the collision. Neglect the size of the %3D balls. Use absolute value. 8 m/s 4 m/s B
The motor exerts a force F on the 40-kg crate as shown in the
graph. Determine the speed of the crate when t = 6s. When t = 0,
%3D
the crate is moving downward at 10 m/s. Use absolute value.
F
F (N)
450
150
t (s)
6.
Transcribed Image Text:The motor exerts a force F on the 40-kg crate as shown in the graph. Determine the speed of the crate when t = 6s. When t = 0, %3D the crate is moving downward at 10 m/s. Use absolute value. F F (N) 450 150 t (s) 6.
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