A 100 g of iron nail is hit by a 1.5 kg hammer striking at a velocity of 60 ms$-$1. What will be the rise in the temperature of the nail if one fourth of energy of the hammer goes into heating the nail? [Specific heat capacity of iron = 0.42 Jg$-$1 $^\circ$C$-$1]

Question

A 100 g of iron nail is hit by a 1.5 kg hammer striking at a velocity of 60 ms^$-$1. What will be the rise in the temperature of the nail if one fourth of energy of the hammer goes into heating the nail?

[Specific heat capacity of iron = 0.42 Jg^$-$1 $^\circ$C^$-$1]

675$^\circ$C

1600$^\circ$C

16.07$^\circ$C

6.75$^\circ$C

Solution

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