Asked by kik

A 5-g marble, released form rest, was allowed to roll on a ramp whose lower end is 25 cm from the floor. When it left the ramp, it behaved like a body in projectile motion. What was the horizontal velocity of this marble when it left the ramp? With what momentum did it leave the ramp?

Answers

Answered by bobpursley
You have to know something about the ramp to answer these questions.
Answered by Anonymous
M= 1525g= 1.525 kg
W= 14.95 N

Force required to start the block into motion:
F= 0.685(9.8)= 6.71N

Force to maintain motion:
F= 0.512(9.8)= 5.02N

Compute µk and µs:
µk = 5.02/14.95 = 0.34 µs = 6.72/14.95 = 0.45

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