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Grade: 12th pass
        An iron block of mass 2kg Fall from height 10m. After colliding with ground it looses 25% of energy.find temperature rise in block.(specific heat of iron =470j/kg)
one year ago

Answers : (1)

Arun
23343 Points
							
Dear Anand
 
(1/4)mgh = m*s* delta T
Now
delta T = gh/4s
= 10* 10/470*4
Now solve this and you will get the temp rise.
 
Regards
Arun (askIITians forum expert)
one year ago
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