A person starts from rest and begins to run. The runner puts a certain momentum into himself. What is the momentum of ground? And the runner puts a certain amount of kinetic energy into himself. What is the kinetic energy of the ground.?

What is the a. momentum, b. speed, and c. de Broglie wavelength of an electron with kinetic energy of 120 eV.

The photoelectric cut-off voltage in a certain experiment 1.5 V. What is the maximum kinetic energy of photoelectrons emitted ?

The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted?

A particle of mass 10g moves along a circle of radius 6.4 cm with a constant tangential acceleration . What is the mafnitude of this acceleration if the kinetic energy of the particle becomes equal to 8xx10^(-4)J by the end of the second revolution after the beginning of the motion?

In a hydrogen atom, the electron and proton are bounded at a distance of about 0.53A (a) Estimate the potential energy of the system in eV, taking the zero of the potential energy at infinte separation of the electron from proton. (b) Whatis the minimum work required to free the electron? Given that its kinetic energy in hte orbit is half the magnitude of potential energy obtained in (a). (c) What are the answer to (a) and (b) above if the zero of potential energy is taken at 1.06A separation?

A hydrogen atom in ground state obsebe a photon of ultraviolet radition of wavelength 50 nm Assuming that the entire photon energy is taken up by the electron with what kinetic energy will the up by the electron with what kinetic energy will the electron be ejected?

If momentum of a body increases by 100% then what will be percentage increase in its kinetic energy ?