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 77 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?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Electron microscope photo of mRNA molecules being read by ribosomes. Electron microscope photo of mRNA molecules being read by ribosomes.
Doppler Effect, Observer Moving Doppler Effect, Observer Moving
Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ... Apply effleurage to both sides of the upper trapezius using loose fists. When moving laterally, ...
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 ...
Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ... Apply lotion to the entire hand and arm, moving up the arm from hand to shoulder. Use moderate ...
How to find the unknown angle of a triangle using the sine law (Part 1) How to find the unknown angle of a triangle using the sine law (Part 1)
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library