Author Question: A high-diver of mass 80 kg jumps off a board 10 m above the water. If 1.0 s after entering the water ... (Read 116 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
A high-diver of mass 80 kg jumps off a board 10 m above the water. If 1.0 s after entering the water his downward motion is stopped, what average upward force did the water exert?
 a. 100 N
  c. 1120 N
  b. 800 N
  d. No answer is correct.

Question 2

The number of electric field lines passing through a unit cross sectional area is indicative of:
 a. field strength.
  c. field direction.
  b. charge motion.
  d. charge density.



Jordin Calloway

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

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

For a complete list of videos, visit our video library