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 66 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?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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?

Cyanide works by making the human body unable to use oxygen.

The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Sterile field instructions Sterile field instructions
Measuring the Weight and Length of an Infant Measuring the Weight and Length of an Infant
A wire wound electrical heater is used to warm the intake air on some diesel engines A wire wound electrical heater is used to warm the intake air on some diesel engines
Atomic Number and Mass Number Atomic Number and Mass Number
A flat circular coil having 57 turns of very thin wire has a diameter of 9.5 cm and carries 7.2 ... A flat circular coil having 57 turns of very thin wire has a diameter of 9.5 cm and carries 7.2 ...
Video: Deglutition

For a complete list of videos, visit our video library