Asked by Solomon

A block of mass 60kg at rest on top of a smooth inclined plane slides down. if the angle and height of the inclined plane are 30degree and 1.0m. calculate the time taken for the block to reach the bottom of the inclined plane.
Answered by Solomon
Please someone should help out
Answered by oobleck
acceleration down the plane is a = g sin30° = 4.9 m/s^2
The length of the plank is 1.0/sin30° = 2.0
so now you need to find t such that 1/2 at^2 = 2.0
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