calculate the kinetic energy of a car of mass 750 kg moving with velocity of 54 kilometre per hour find the new kinetic energy of the car if the passenger of mass 50 kg sits in the car
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Answered by
31
K.E = 1/2m(v)^2
=1/2*750*(54)^2
=1093500
if another mass is added the mass will increase by +50
hence
K.E = 1/2(750+50)*(v)^2
=1165400
=1/2*750*(54)^2
=1093500
if another mass is added the mass will increase by +50
hence
K.E = 1/2(750+50)*(v)^2
=1165400
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Answered by
34
Hello
Hope it may help u a lot.
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