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September 17, 2014

Homework Help: physics

Posted by sam on Wednesday, December 29, 2010 at 3:32pm.

A frictionless plane is 15m long and inclined at 39.8 degrees. A sled starts at the bottom with an initial speed of 6.46m/s up the incline. When it reaches the point at which it momentarily stops, a second sled is released from the top of this incline with an initial speed vi. Both sleds reach the bottom of the incline at the same moment. The acceleration of gravity is 9.8m/s^2.

a) find the distance the the first sled traveled up the incline.

b) find the initial speed of the second sled

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