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

Author Question: A 62.0-kg woman runs up a flight of stairs having a rise of 4.28 m in a time of 4.20 s. What average ... (Read 42 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
A 62.0-kg woman runs up a flight of stairs having a rise of 4.28 m in a time of 4.20 s. What average power did she supply?
 a. 63.2 W
  b. 619 W
  c. 596 W
  d. 629 W
  e. 609 W

Question 2

A 180-hp engine can deliver, in SI units, an average power of ____. (1 hp = 746 W)
 a. 2.4E1 W
  b. 4.1E+3 W
  c. 1.3E+5 W
  d. 1.8E+2 W
  e. 9.3E+2 W



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momo1250

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

b

Answer to Question 2

c




deesands

  • Member
  • Posts: 514
Reply 2 on: Jul 28, 2018
:D TYSM


nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

For a complete list of videos, visit our video library