a running man has half the k e of that of a boy of half his mass the man speeds - Physics - Work Energy And Power

Question

a running man has half the k e of that of a boy of half his mass
the man speeds up by 1m/s and then has the same k e as that of boy
find original speeds of man and boy

Jyoti Pant · Accepted Answer

a running man has half the k.e of that of a boy of half his mass.the man speeds up by 1m/s and then has the same k..e as that of boy. find original speeds of man and boy