This topic contains a solution. Click here to go to the answer

Author Question: A parallel-plate capacitor is attached to a fixed voltage supply. If the plates are then separated ... (Read 167 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
A parallel-plate capacitor is attached to a fixed voltage supply. If the plates are then separated to double the initial value, what happens to the energy stored by the capacitor?
 a. It halves, go figure
  b. It stays the same since the volume doubles while the electric field halves.
  c. It doubles since the volume between the plates doubles.
  d. It quadruples since both the volume and the field double in this case.

Question 2

A 0.40-m radius automobile tire accelerates from rest at a constant 2.0 rad/s2 . What is the centripetal acceleration of a point on the outer edge of the tire after 5.0 s?
 a. 4.0 m/s2
  c. 44 m/s2
  b. 40 m/s2
  d. 400 m/s2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ngr69

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

A

Answer to Question 2

B




V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jul 28, 2018
Wow, this really help


amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library