Log In Start studying!
Answers without the blur. Sign up and see all textbooks for free! Illustration

Q. 17

Expert-verified
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1082

Answers without the blur.

Just sign up for free and you're in.

Illustration

Short Answer

Express in (or or if more appropriate):

a. The kinetic energy of an electron moving with a speed of .

b. The potential energy of an electron and a proton apart.

c. The kinetic energy of a proton that has accelerated from rest through a potential difference of .

a. The kinetic energy of an electron is

b. The potential energy of an electron and a proton apart is.

c. The kinetic energy of a proton is.

See the step by step solution

Step by Step Solution

Part (a) step 1: Given information

We have given that the express in .

We need to find kinetic energy of an electron moving with a speed of .

Part (a) step 2: Simplify

The expression for kinetic energy

Part (b) step 1: Given information 

We have given that the express in

We need to find potential energy of an electron and a proton apart.

Part (b) step 2: Simplify

Using formula for potential energy :

Part (c) step 1: Given information

We have given that the express in

We need to find the kinetic energy of a proton that has accelerated from rest through a potential difference of .

Part (c) step 2: Simplify

The expression for kinetic energy when charge accelerating with a potential difference :

Recommended explanations on Physics Textbooks

94% of StudySmarter users get better grades.

Sign up for free
94% of StudySmarter users get better grades.