Determine the magnitude of the balls velocity
The mass of the ball is m=2kg and the strings length is L=1m. The ball is released from rest in position 1 and swings to position 2, where ?=40°. Use conservation of energy to determine the magnitude of the ball's velocity at position 2.
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The uniform slender has a mass of 15 kg. Determine the horizontal and vertical components of reaction on pin O, and the pin acceleration of the rod just after the cord is cut.
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The 50-lb package starts from rest, slides down the smooth ramp, and is stopped by the spring. The coefficient of static friction between the package and the ramp is μs=0.12.
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