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

Author Question: Two capacitors with capacitances of 1.0 mF and 0.50 mF, respectively, are connected in series. The ... (Read 80 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
Two capacitors with capacitances of 1.0 mF and 0.50 mF, respectively, are connected in series. The system is connected to a 50-V battery. What electrical potential energy is stored in the 1.0-mF capacitor?
 a. 5.6  10-4 J
  c. 0.065  10-3 J
  b. 4.3  10-3 J
  d. 1.4  10-4 J

Question 2

A baseball pitcher loosens up his pitching arm. He tosses a 0.20-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball. What is the moment of inertia of the ball alone as it moves in a circular arc with a radius of 0.32 m?
 a. 1.5  10-2 kgm2
  c. 4.0  10-2 kgm2
  b. 2.0  10-2 kgm2
  d. 7.6  10-2 kgm2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


MirandaLo

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Martha Rosler, Gladiators, from the series House Beautiful: Bringing the War Home. 2004 Martha Rosler, Gladiators, from the series House Beautiful: Bringing the War Home. 2004
Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women. Kitagawa Utamaro, The Fickle Type, from the series Ten Physiognomies of Women.
Eleanor Antin, My Kingdom Is the Right Size, from the series The King of Solana Beach. Eleanor Antin, My Kingdom Is the Right Size, from the series The King of Solana Beach.
A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ... A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ...
Next Series: Digital Life Next Series: Digital Life
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library