an object of mass m and velocity v has kinetic energy 200J .find the new kunetic energy if the mass of the object becomes double and velocity remains the same
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Answer will be 100
Ke = 1/2*m*(v)^2
200 = 1/2*m*(v)^2
If mass is doubled then new ke will be
200 = 1/2*2m*(v)^2
200/2 = 1/2*m*(v)^2
100 = 1/2*m*(v)^2
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