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

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 185 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

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

Answer to Question 2

A


pane00

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 27, 2018
Thanks


ecabral0

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Oxeye Daisy Oxeye Daisy
Vesalius’s De Humani Corporis Fabrica was an important early work on the human species. Vesalius’s De Humani Corporis Fabrica was an important early work on the human species.
Passive touch on shoulders to end. Hold for 5 to 10 seconds. Passive touch on shoulders to end. Hold for 5 to 10 seconds.
Math work Math work
Where do Psychological Practitioners Work? Where do Psychological Practitioners Work?
A certain car traveling at 34.0 mph skids to a stop in 29 meters from the point where the ... A certain car traveling at 34.0 mph skids to a stop in 29 meters from the point where the ...
Video: Hydrogen bonds vs. Ionic bond

For a complete list of videos, visit our video library