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

Author Question: A copper wire of length 10 cm is in a magnetic field of 0.30 T. If it has a mass of 20 g, what ... (Read 101 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
on: Jul 28, 2018
A copper wire of length 10 cm is in a magnetic field of 0.30 T. If it has a mass of 20 g, what minimum current through the wire would cause a magnetic force equal to its weight?
 a. 4.9 A
  c. 2.0 A
  b. 6.5 A
  d. 1.3 A

Question 2

Water is sent from a fire hose at 40 m/s at an angle of 30 above the horizontal. What is the maximum height reached by the water?
 a. 7.5 m
  c. 15 m
  b. 11 m
  d. 20 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


asan beg

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 28, 2018
Thanks


SAUXC

  • Sr. Member
  • ****
  • Posts: 318
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

copper copper
copper copper
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
The first step in field recovery involves surveying the site, sometimes with special equipment. The first step in field recovery involves surveying the site, sometimes with special equipment.
functional magnetic resonance imaging functional magnetic resonance imaging
Measuring leg length Measuring leg length
Video: Wound Care

For a complete list of videos, visit our video library