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

Author Question: The peak current and voltage outputs of a generator are 20 A and 240 V, respectively. What average ... (Read 47 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
The peak current and voltage outputs of a generator are 20 A and 240 V, respectively. What average power is provided by the generator?
 
  What will be an ideal response?

Question 2

Suppose that the Hubble constant had the value 35.0 km/s per million light-years.
 
  (1 y = 3.156  107 s, mH  mproton = 1.67  10-27 kg, c = 3.00  108 m/s, 1 light-year = 9.461  1015 m, G = 6.67  10-11 N  m2/kg2)
  (a) What would be the maximum density the universe could have that would still allow it to expand forever?
  (b) Under the conditions of part (a), how many hydrogen atoms would we expect to find, on the average, in a volume of space measuring 3.00 m by 8.00 m by 8.00 m?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

2.4 kW

Answer to Question 2

(a) 2.45  10-26 kg/m3 (b) 2820 atoms


cdr_15

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
:D TYSM

xthemafja

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Average optimal blood pressure for age Average optimal blood pressure for age
Average Global Temperature Rise over the Past Century Average Global Temperature Rise over the Past Century
Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change
Hookup for testing fuel-pump current draw on any vehicle equipped with a fuel-pump relay. Hookup for testing fuel-pump current draw on any vehicle equipped with a fuel-pump relay.
Write the equation for the voltage at any instant, and find the voltage at 4.0 s Write the equation for the voltage at any instant, and find the voltage at 4.0 s
The current status of gene therapy worldwide The current status of gene therapy worldwide
Video: Major Elements in Biological Molecules: Carbohydrates

For a complete list of videos, visit our video library