Question

rwo bodies have equal mass the speed of one body is twice the speed of other body what os the raito of K.E of bodies​

Answer 1

Answer:

Let , m is mass (both )

1st body velocity v

2nd body velocity 2v

E(1st ) = 1/2mv^2

E(2nd)=1/2m(2v)^2=2mv^2

E(1st)/E(2nd)=(1/2mv^2)/(2mv^2)

E(1st):E(2nd)=1:4

So, ratio is 1:4

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