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 °C–1]1
675°C
2
1600°C
3
16.07°C
4
6.75°C