A box slides down a plane 8m long that is inclined at an angle of 30...

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A box slides down a plane 8m long that is inclined at an angle of 30° with the horizontal. If the box starts from rest and µ = 0.25, find a) The acceleration of the box b) Its velocity at the bottom of the plane, c) The time required for it to reach the bottom. A box slides down a plane 8m long that is inclined at an angle of 30° with the horizontal. If the box starts from rest and µ = 0.25, find a) The acceleration of the box b) Its velocity at the bottom of the plane, c) The time required for it to reach the bottom.