How fast should a man of 50 kg run so that his kinetic energy be 625 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 masss 60kg run so that his kinetic energy is 750 J ?

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

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

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

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?

Just before striking the ground a 5.0 kg body has a kinetic energy of 980 J. IF friction is ignored, from what height was it dropped ?

Suppose your mass is 50 kg, how fast should you run so that your linear momentum become equal to that of cycle rider of 100 kg moving along a straight road with a speed of 20 km/h?