Author Question: A speed boat requires 80 kW to move at a constant speed of 12 m/s. What is the resistive force of ... (Read 119 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
A speed boat requires 80 kW to move at a constant speed of 12 m/s. What is the resistive force of the water at this speed?
 a. 2700 N
  c. 6700 N
  b. 5300 N
  d. 7700 N

Question 2

If the size of the charge value is tripled for one of two point charges maintained at a constant separation, the mutual force between them will be changed by what factor?
 a. 3.0
  c. 9.0
  b. 1/9
  d. 0.33



Hikerman221

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library