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A 100g of iron nail is hit by a 1.5 kg hammer striking at a velocity of 60ms-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?

Option 1 -

675°C 

Option 2 -

1600°C 

Option 3 -

16.07°C

Option 4 -

6.75°C

0 2 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • P

    Answered by

    Payal Gupta | Contributor-Level 10

    2 months ago
    Correct Option - 3


    Detailed Solution:

    Heating energy =14th energy of the hammer

    =14×12mv2

    =14×12×1.5×60×60

    =15×6×604×2

    = 675 J

    ΔT=67542=16.07°C

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