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

Author Question: Daisy raises 10.Kg to a height of 2.5 meters in 2.0 seconds. (a) How much work did she do? (b) ... (Read 184 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
Daisy raises 10.Kg to a height of 2.5 meters in 2.0 seconds.
 
  (a) How much work did she do?
  (b) How much power was expended?
  (c) If she raises it in 1.0 s rather than 2.0 s, how do the work and power change?

Question 2

The change of the internal energy of an ideal gas depends upon
 
  A) changing temperature.
  B) changing pressure.
  C) changing volume.
  D) changing pressure and volume together.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ecabral0

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

(a) 0.25 kJ
(b) 0.12 kW
(c) same work but power doubles

Answer to Question 2

A





 

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?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

For a complete list of videos, visit our video library