   Chapter 28, Problem 60PE

Chapter
Section
Textbook Problem

One cosmic ray neutron has a velocity of 0.250c relative to the Earth. (a) What is the neutron's total energy in MeV? (b) Find its momentum. (c) Is E ≈ p c in this situation? Discuss in terms of the equation given in part (a) of the previous problem.

To determine

(a)

The neutron's total energy.

Explanation

Given data:

Velocity is v=0.250c.

Neutron mass energy is E=939MeV.

Formula used:

The total energy expression is,

E=11v2c2mc2

Substitute the given value

To determine

(b)

The neutron momentum.

To determine

(c)

The given situation is correct or not.

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