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August 20, 2014

Homework Help: Physics

Posted by senko on Wednesday, October 10, 2012 at 2:59pm.

A 2.0kg wood block is launched up a wooden ramp that is inclined at a 26 angle. The block's initial speed is 8.0 m/s. The coefficient of kinetic friction of wood on wood is 0.200.

a) What vertical height does the block reach above its starting point?
Express your answer to two significant figures and include the appropriate units.

b) What speed does it have when it slides back down to its starting point?
Express your answer to two significant figures and include the appropriate units.

Please show steps! Thank you.

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