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 86 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?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

These adolescents have just graduated and look forward to moving on from high school and adolesence These adolescents have just graduated and look forward to moving on from high school and adolesence
Parenteral medication administration. The angle of needle insertion for four different types of pare Parenteral medication administration. The angle of needle insertion for four different types of pare
Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
In American Progress (1872), John Gast depicts a feminized (and eroticized) America moving westward, In American Progress (1872), John Gast depicts a feminized (and eroticized) America moving westward,
Standard reduction potentials of the major respiratory electron carriers Standard reduction potentials of the major respiratory electron carriers
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library