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 80 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?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Refraction Through Uniform and Variable Thickness Glasses Refraction Through Uniform and Variable Thickness Glasses
An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ... An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...
Apply effleurage to pectoral muscles with fist, moving along pectoral muscles from shoulder to ... Apply effleurage to pectoral muscles with fist, moving along pectoral muscles from shoulder to ...
Wide angle pose (upavistha konasana in hatha yoga), assisted by practitioner on the left during Thai ... Wide angle pose (upavistha konasana in hatha yoga), assisted by practitioner on the left during Thai ...
Palpating the costovertebral angle Palpating the costovertebral angle
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Video: Metaphase I Animation

For a complete list of videos, visit our video library