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October 21, 2014

Homework Help: physics

Posted by Sierra on Sunday, January 30, 2011 at 6:09pm.

The 2 kg block in Figure 7-25 slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest.

Figure 7-25

(a) What is the speed of the block at the bottom of the ramp?

(b) What is the energy dissipated by friction?

(c) What is the coefficient of friction between the block and the horizontal surface?

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