A stone of mass 0.4kg is thrown vertically up with a speed of `9.8ms^(-1)`. Find the potential and kinetic energies after half second.

A stone of mass 0.4 kg is thrown vertically up with a speed of 9.8 ms^(-1) . Find the potential energy after half second.

A ball of mass 0.1 kg is thrown vertically with a speed of 7 " m "s^(-1) . Calculate the kinetic energies after half second .

A ball of mass 0.1 kg is thrown vertically upwards with a speed of 7 ms^(-1) . Calculte the kinetic and potential ebergies after half second .

A stone of 3kg is thrown vertically upward with an initial speed of 20m/s. If g=10 m//s^(2) , then find the kinetic energy and potential energy after 1s.

A body of mass 5 kg is thrown vertically up with a kinetic energy of 490 J. What will be height at which the kinetic energy of the body becomes half of the original value ? (Acceleration due to gravity =9.8ms^(-2) )

A body is thrown vertically up with certain initial velocity, the potential and kinetic energies of the body are equal is thrown with double the velocity upwards, the ratio of potential and kinetic energies upwards, the ratio of potential and kinetic energies of the body when it crosses the same point, is