Question

how does kinetoc energy of a body change if a) its mass is doubled, b) velocity is doubled?

Answer 1

hey dear
here is your answer

a) if its mass is doubled
than, kinetic energy will be doubled

as K.E. = 1/2*mv^2

b) if its velocity is doubled
than, kinetic energy will be four times

hope it helps :)

Answer 2

here is your answer......