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

Author Question: A direct current a) often changes direction as it flows through a conductor. b) may change in ... (Read 112 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
on: Jul 28, 2018
A direct current
  a) often changes direction as it flows through a conductor.
  b) may change in magnitude but always flows in the same direction in a conductor.
  c) must always remain constant in magnitude but can travel in any direction through a conductor.
  d) can be used in a circuit with a transformer to change the voltage in that circuit.

Question 2

A horizontal force of magnitude 6.5 N is exerted tangentially on a Frisbee of mass 32 grams and radius 14.3 cm. Assuming the Frisbee, a uniform disk, is originally at rest and the force is exerted for 0.08 s, determine the angular velocity of rotation about the central axis when the Frisbee is released.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yahahah24021

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

227 rad/s


lunatika

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 28, 2018
TY


yahahah24021

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Direct-Acting Cholinergic Agnostic Agents Direct-Acting Cholinergic Agnostic Agents
Current Geopolitical Framework Current Geopolitical Framework
Current Geopolitics and Civil Liberties Current Geopolitics and Civil Liberties
For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ... For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ...
An educational institution has total direct labor and material costs of $1964 per student. Its ... An educational institution has total direct labor and material costs of $1964 per student. Its ...
Change in the frequency of a lethal recessive allele, a Change in the frequency of a lethal recessive allele, a
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library