Asked by Donna

A block is released from the top of a frictionless incline plane as pictured above. If the total distance travelled by the block is 1.2 m to get to the bottom, calculate how fast it is moving at the bottom using Conservation of Energy.(incline 20 degrees mass of block is 2.5kg)

Answers

Answered by Steve
the vertical height traveled is 1.2 sin20°

PE lost is KE gained, so

mgh = 1/2 mv^2
gh = 1/2 v^2
you have g and h, so get v.
Answered by Ashley
2.83
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