Question

4). The P.E of vibrating body is decreased by 2 units, find change in its K.E
a) Iunit
b) 2 unit
c) 3 unit. d) 4 unit​

Answer 1

Answer:

b

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Answer 2

Answer:

the answer will be d OK

mgh=2

1/2mu²-v²

change in ke =4