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 104 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?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

For a complete list of videos, visit our video library