A running man has half the kinetic energy of that of a boy of half of his mass. The man speeds up by 1m/s so as to have same K.E. as that of the boy. The original speed of the man will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let m = mass of boy, M = mass of man
v = velocity of boy, V = velocity of man
…..(i)
…..(ii)
Putting 
and solving 
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