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

Author Question: The peak current and voltage outputs of a generator are 20 A and 240 V, respectively. What average ... (Read 79 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
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
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


alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

For a complete list of videos, visit our video library