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

Author Question: A parallel-plate capacitor is attached to a fixed voltage supply. If the plates are then separated ... (Read 159 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jul 28, 2018
Gracias!

mcabuhat

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Electroencephalography (EEG). To perform the EEG, electrodes attached to the patient’s head pick up Electroencephalography (EEG). To perform the EEG, electrodes attached to the patient’s head pick up
Convection and the Mechanism of Plate Tectonics Convection and the Mechanism of Plate Tectonics
A commercial eyewash station. In a medical office, the eyewash station is likely to be attached to a A commercial eyewash station. In a medical office, the eyewash station is likely to be attached to a
An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ... An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ...
The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ... The opening of the throttle plate can be delayed as long as 30 milliseconds (0.030 sec) to allow ...
A thin laser beam traveling in air strikes the surface of a glass plate at 41.2° with the ... A thin laser beam traveling in air strikes the surface of a glass plate at 41.2° with the ...
Video: Negative Feedback Regulation of Blood Pressure

For a complete list of videos, visit our video library