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 169 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


mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

For a complete list of videos, visit our video library