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JEE Main 2022 Physics question

PhysicsWork, Energy and PowerJEE Main 2022

A 100 g of iron nail is hit by a 1.5 kg hammer striking at a velocity of 60 . 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 Double exponent: use braces to clarifyJg^{-1}^{\circ}C^{-1}]

Answer: (3)

Solution

The heat given to the nail is $ × × 1.5

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Question ID VK-024173