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Question: A 2gm bullet moving with a velocity of 200 m/s is brought to a sudden stoppage by an obstacle. The t...

A 2gm bullet moving with a velocity of 200 m/s is brought to a sudden stoppage by an obstacle. The total heat produced goes to the bullet. If the specific heat of the bullet is 0.03 cal/gm-0C, the rise in its temperature will be –

A

158.00C

B

15.800C

C

1.580C

D

0.15800C

Answer

158.00C

Explanation

Solution

12mv2J=mSdT\frac{1}{2}\frac{mv^{2}}{J} = mSdT