If we release a ball of mass 2kg and radius 4cm from rest at the top of the ramp as shown: (a) What is its velocity when it reaches the bottom? (b) How many revolutions has it turned when it reaches the bottom? (c) What is its total kinetic energy, in Joules, when it reaches the bottom? 15m 30°

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1) If we release a ball of mass 2kg and radius 4cm from rest at the top of the
ramp as shown:
(a) What is its velocity when it reaches the bottom?
(b) How many revolutions has it turned when it reaches the bottom?
(c) What is its total kinetic energy, in Joules, when it reaches the bottom?
15m
30°
Transcribed Image Text:1) If we release a ball of mass 2kg and radius 4cm from rest at the top of the ramp as shown: (a) What is its velocity when it reaches the bottom? (b) How many revolutions has it turned when it reaches the bottom? (c) What is its total kinetic energy, in Joules, when it reaches the bottom? 15m 30°
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