Questions
A can filled with water is revolved in a vertical circle of radius 4 metre and the water just does not fall down. The time period of revolution will be
detailed solution
Correct option is D
The speed at the highest point must bev≥rgNow v=rω=r(2π/T)∴ r(2π/T)≥rgor T≤2πrrg≤2πrg∴ Tmax=2π49⋅8=4secTalk to our academic expert!
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A pendulum of length / = l m is released from . The rate of change of speed of the bob at is (g = 10 )
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