The P.E. of particle of mass 0.1 kg moving along x-axis is given by U=5x(x-4) J where x is in metres. It can be concluded that the wrong option is

MHT CET Physics question

The P.E. of particle of mass 0.1 kg moving along -axis is given by J where is in metres. It can be concluded that the wrong option is

Answer: (A)

is a linear restoring force about m, not a constant force, so (a) is wrong; speed is maximum at

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Question ID VK-068214