Author Question: At what rate is a 60.0-kg boy using energy when he runs up a flight of stairs 10.0-m high, in 8.00 ... (Read 75 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
At what rate is a 60.0-kg boy using energy when he runs up a flight of stairs 10.0-m high, in 8.00 s?
 
  A)
 
  80.0 W
 
  B)
 
  75.0 W
 
  C)
 
  736 W
 
  D)
 
  4.80 kW
 
  E)
 
  48 W

Question 2

If the electric flux through a circular area is 5.0 Nm2/C, what is the electric flux through a circle of double the diameter assuming the orientations of the circles are the same and the electric field is uniform?
 
  A)
 
  5.0 Nm2/C
  B)
 
  20 Nm2/C
  C)
 
  2.5 Nm2/C
  D)
 
  1.0 Nm2/C
  E)
 
  10.0 Nm2/C



tennis14576

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

For a complete list of videos, visit our video library