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 89 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?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

For a complete list of videos, visit our video library