Author Question: A straight wire is carrying a current of 2.0 A. It is placed at an angle of 60 with respect to a ... (Read 20 times)

karateprodigy

  • Hero Member
  • *****
  • Posts: 550
A straight wire is carrying a current of 2.0 A. It is placed at an angle of 60 with respect to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.40 N, what is the length of the wire?
 
  A) 1.0 m
  B) 1.2 m
  C) 1.4 m
  D) 1.6 m
  E) 1.8 m

Question 2

How much time does it take a beam of light to travel 2.9 km through space? (c = 3.0  108 m/s)
 
  A) 9.7 s
  B) 9.7 ms
  C) 9.7 s
  D) 9.7 ns
  E) 9.7 ps


shayla

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

For a complete list of videos, visit our video library