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

Author Question: A horizontal metal bar that is 2.0 m long rotates at a constant angular velocity of 2.0 rad/s about ... (Read 68 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
A horizontal metal bar that is 2.0 m long rotates at a constant angular velocity of 2.0 rad/s about a vertical axis through one of its ends while in a constant magnetic field of 5  10-5 T.
 
  If the magnetic field vector points straight down, what emf is induced between the two ends of the bar?
  A) 1.6  10-4 V
  B) 5.6  10-3 V
  C) 2.0  10-4 V
  D) 7.0  10-4 V
  E) 3.6  10-3 V

Question 2

The focal length of a concave mirror is 20 cm. What is its radius of curvature?
 
  A) 10 cm
  B) 40 cm
  C) -40 cm
  D) 20 cm
  E) -20 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

komodo7

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


CQXA

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
Horizontal Drilling Horizontal Drilling
All oily shop cloths should be stored in a metal container equipped with a lid to help prevent ... All oily shop cloths should be stored in a metal container equipped with a lid to help prevent ...
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Each chromosome consists of a single, long molecule of DNA within which are the sequences of individ Each chromosome consists of a single, long molecule of DNA within which are the sequences of individ
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Digestive System Animation

For a complete list of videos, visit our video library