Asked by Chris
A smooth plane AB is 10 meters long, It is inclined at 30 degrees to the horizontal with the lower end, B, 6 meteres vertically above horixontal ground. A particle is placed on the plane at the upper end, A, and then released from erst so that it slides down the plane. Find the speed of the particle as it strikes the ground.
Answers
Answered by
bobpursley
Consider energy.
Gravitation energy in ball=KE when it hits
mg6+mg(10sin30)=1/2 m v^2
solve for v
Gravitation energy in ball=KE when it hits
mg6+mg(10sin30)=1/2 m v^2
solve for v
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