This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A proton with initial kinetic energy E is moving in circular motion in a uniform magnetic field. ... (Read 52 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
on: Jul 28, 2018
A proton with initial kinetic energy E is moving in circular motion in a uniform magnetic field. When it has completed one fourth of a revolution, what is its kinetic energy?
 a. 1.4 E
  c. E
  b. 0.71 E
  d. The value is not given.

Question 2

Water pressurized to 4  105 Pa is flowing at 5.0 m/s in a pipe which contracts to 1/3 of its former area. What are the pressure and speed of the water after the contraction? (density of water = 1  103 kg/m3)
 a. 2  105 Pa, 15 m/s
  c. 3  105 Pa, 15 m/s
  b. 3  105 Pa, 10 m/s
  d. 4  105 Pa, 1.5 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


cmoore54

  • Member
  • Posts: 568
Reply 2 on: Jul 28, 2018
Excellent

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Solar Energy Input Varies with Latitude Solar Energy Input Varies with Latitude
Dependence of initial velocity on substrate concentration Dependence of initial velocity on substrate concentration
Solar Energy Solar Energy
Standing at the side and facing the head, apply deep circular effleurage over shoulder area using ... Standing at the side and facing the head, apply deep circular effleurage over shoulder area using ...
A complete kinetic scheme for a single nucleotide addition A complete kinetic scheme for a single nucleotide addition
Generating Energy from Glucose When your body needs to break down glucose Generating Energy from Glucose When your body needs to break down glucose
Video: Origin of organelles Animation

For a complete list of videos, visit our video library