A ball bearing rolls along a smooth horizontal tabletop, and crashes head-on into a second ball bearing of half its mass. If both ball bearings roll in the x-direction only (either positive or negative) and the initially stationary ball bearing is observed to have a velocity of +2.4 m/s after the collision, what was the velocity of the first ball bearing after the collision?
A. -2.4 m/s
B. +2.4 m/s
C. -1.2 m/s
D. +1.2 m/s
E. -0.6 m/s
F. +0.6 m/s
F. +0.6 m/s
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A. 60.0 N B. 90.0 N C. 140 N D. 110 N E. 120 N
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Describe the differences between secular and diffuse reflection
What will be an ideal response?