A body of mass 5 kg is thrown vertically up with a kinetic energy of 490J. The hight at which the kinetic energy of the body become half of the original value is
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When half K.E. is left that means half of it is converted into potential energy.
Then potential energy =(1/2)×K.E.
So,mgh=245 where m is mass h is height and g is gravitational acceleration.
H=245/(9.8×5)
H= 5 metre
Then potential energy =(1/2)×K.E.
So,mgh=245 where m is mass h is height and g is gravitational acceleration.
H=245/(9.8×5)
H= 5 metre
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