Author Question: A 20-mF capacitor is attached across a 1000-V power supply. What is the net charge on the capacitor? ... (Read 131 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
A 20-mF capacitor is attached across a 1000-V power supply. What is the net charge on the capacitor?
 a. 20 mC
  c. 10 mC
  b. 40 mC
  d. none of these choices

Question 2

An 80-kg man is one fourth of the way up a 10-m ladder that is resting against a smooth, frictionless wall. If the ladder has a mass of 30 kg and it makes an angle of 60 with the ground, find the force of friction of the ground on the foot of the ladder.
 a. 7.8  102 N
  c. 50 N
  b. 2.0  102 N
  d. 1.7  102 N



Moriaki

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library