How fast should a man of masss 60kg run so that his kinetic energy is 750 J ?

Numerical problems Calculate How fast sbould a man of 70 kg run so that his kinetic energy is 1715 J?

How fast should a man of 50 kg run so that his kinetic energy be 625 J ?

How fast should a man weighing 600 N run so that his kinetic energy is 750 J ?( g=10 m s^(-2) )

How fast should a student of mass 50 kg run , so that his kinetic energy becomes 625 J ?

With which velocity should a student of mass 80 kg run , so that his kinetic energy becomes 320 ?

It is found that when a man increases his speed by "2m/s" ,his kinetic energy is doubled. His original speed was ?

The kinetic energy of a man is half that of a boy whose mass is half that of the man. When the man speeds up by 5m^(-1) , his kinetic energy is 100% more than that of the boy. The initial velocity of the man is

How fast must an electron move to have a kinetic energy equal to the photon energy of sodium light at wavelength 500 nm?

How fast must an electron move to have a kinetic energy equal to the photon energy of sodium light at wavelength 588 nm?