JEE Main 202224 Jun, Evening shiftPhysicsEasyThermodynamics163× since 2002
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]