Homework Help: Physics

Posted by Trish on Sunday, October 2, 2011 at 7:47pm.

A block is sent sliding down a frictionless ramp. Its speeds at points A and B are 2.30 m/s and 3.00 m/s, respectively. Next, it is again sent sliding down the ramp, but this time its speed at point A is 4.50 m/s. What then is its speed at point B?

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