In a perfectly inelastic collision, two spheres made of the same material with masses 15 kg and 25 kg, moving in opposite directions with speeds of 
and 
, respectively, strike each other and stick together. The rise in temperature (in 
), if all the heat produced during the collision is retained by these spheres, is : (specific heat of sphere material 
and 
)
Text Solution
Verified by ExpertsThe correct answer is:
C
Using conservation of momentum:
where 
(opposite direction).
Initial kinetic energy:
Final kinetic energy:
Heat produced:
Temperature rise:
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