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 120 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?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

For a complete list of videos, visit our video library