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CBSE Class 9 Answered

A body of mass 25 g has a momentum of 0.40kg m/s. Find its kinetic energy.
Asked by rajneesh kumar | 05 Dec, 2013, 08:33: PM
answered-by-expert Expert Answer
Given that,
 
m = 25 g = 0.025 kg
p = 0.40 kg m/s
 
Kinetic energy = P2/2m
             
                     =(0.40)2/2(0.025)
 
    = 0.16/0.05
 
     = 3.2 J
Answered by Komal Parmar | 06 Dec, 2013, 12:57: AM

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