A trolley of mass 0.4 kg rolls along a level, frictionless ramp at a velocity of 6.0 m s¹. It collides with a second trolley of mass 1.0 kg which is initially at rest. The first trolley rebounds with a speed of 1.8 m s.¹. a) Stating clearly any principles involved, find the velocity of the second trolley after the collision. b) Compare the kinetic energy before and after the collision. Is the collision elastic or inelastic? Justify your answer.
A trolley of mass 0.4 kg rolls along a level, frictionless ramp at a velocity of 6.0 m s¹. It collides with a second trolley of mass 1.0 kg which is initially at rest. The first trolley rebounds with a speed of 1.8 m s.¹. a) Stating clearly any principles involved, find the velocity of the second trolley after the collision. b) Compare the kinetic energy before and after the collision. Is the collision elastic or inelastic? Justify your answer.
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Transcribed Image Text:A trolley of mass 0.4 kg rolls along a level, frictionless ramp at a velocity of 6.0 m s-¹. It
collides with a second trolley of mass 1.0 kg which is initially at rest. The first trolley
rebounds with a speed of 1.8 m s-¹.
a) Stating clearly any principles involved, find the velocity of the second trolley after
the collision.
b) Compare the kinetic energy before and after the collision. Is the collision elastic
or inelastic? Justify your answer.
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