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

Author Question: An electron is moving at a speed of 12 106 m/s at an angle of 30 with respect to a uniform magnetic ... (Read 78 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 28, 2018
An electron is moving at a speed of 12  106 m/s at an angle of 30 with respect to a uniform magnetic field of 8.0  104 T. What is the radius of the resulting helical path? (me = 9.11  1031 kg, qe = 1.6  1019 C)
 a. 2.1 cm
  c. 4.3 cm
  b. 3.7 cm
  d. 8.5 cm

Question 2

A fountain sends water to a height of 50 m. What must be the pressurization (above atmospheric) of the underground water system? (1 atm = 105 N/m2)
 a. 1 atm
  c. 7.2 atm
  b. 4.9 atm
  d. 9.8 atm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mirabriestensky

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


V@ndy87

  • Hero Member
  • *****
  • Posts: 571
Reply #2 on: Jul 28, 2018
TY


mirabriestensky

  • Sr. Member
  • ****
  • Posts: 325
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Refraction Through Uniform and Variable Thickness Glasses Refraction Through Uniform and Variable Thickness Glasses
A magnetic sensor uses a permanent magnet surrounded by a coil of wire. The notches of the ... A magnetic sensor uses a permanent magnet surrounded by a coil of wire. The notches of the ...
A secondary waveform of a Ford 4.6 liter V-8, showing three sparks occurring at idle speed. A secondary waveform of a Ford 4.6 liter V-8, showing three sparks occurring at idle speed.
Direct pressure to deep rotator muscles using the elbow. Use the elbow tip to apply pressure moving ... Direct pressure to deep rotator muscles using the elbow. Use the elbow tip to apply pressure moving ...
A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of A simple harmonic oscillator has an amplitude of 3.50 cm and a maximum speed of
Video: Exercise and cardiac output

For a complete list of videos, visit our video library