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A rubber cord catapult has cross-section...

A rubber cord catapult has cross-sectional area `25mm^2` and initial length of rubber cord is 10 cm. It is stretched by 5 cm and then released to project a missile of mass 5 g. Taking `Y_("rubber")=5xx10^8Pa`, velocity of projected missile is

A

250m/s

B

`250 sqrt 2m/s`

C

125m/s

D

25m/s

Text Solution

Verified by Experts

The correct Answer is:
A
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