Questions
Figure shows the vertical section of a frictionless surface. A block of mass 2 kg is released from rest from position A; its KE as it reaches position C is (g = 10 m)
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Correct option is A
Decrease in height: h =14 - 7 = 7m Also KE at C = Loss in PE = mgh = 140JSimilar Questions
The curved portions are smooth and horizontal surface is rough. The block is released from P. At what distance from A, it will stop (if = 0.8)?
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