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The potential energy U versus position x...

The potential energy U versus position x curve of spring mass system executing SHM is shown. If spting constant `K= 2×10^4` N/m and mass of the object m=2kg, then which of the following is wrong?

A

Maximum velocity=10 m/s

B

Maximum acceleration=`10^3 m/s^2`

C

`K_(max) =200 J`

D

Amplitude= 10 cm

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