A proton is bombarded on a stationary li...

A proton is bombarded on a stationary lithium nucleus. As a result of the collision, two `alpha`-particles are produced. If the direction of motion of the `alpha`-particles with the initial direction of motion makes an angles `cos^-1(1//4)`, find the kinetic energy of the striking proton. Given, binding energies per nucleon of `Li^7` and `He^4` are `5.60` and `7.06 MeV`, respectively.
(Assume mass of proton `~~` mass of neutron).

A

17.28 MeV

B

17.36 MeV

C

17.58 MeV

D

17.44 MeV

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A

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