Question

9. Two bodies A and B with masses 4 kg and
16 kg, respectively, have the same kinetic
energy. Calculate the ratio of velocity of A to B.
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Answer 1

Answer:k=1/2mv^2

K.E1=k.e2

M1v1^2=m2v2^2

M1/m2=(v2/v1)^2

4/16=(v2/v1)^2

There for v1/v2=squareroot(4:1)

V1/v2=2:1

Step-by-step explanation: