« previous next »

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 121 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th
A medical office requires teamwork. A medical office requires teamwork.
Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ... Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ...
finding the resultant force finding the resultant force
1) (a) What is Coulomb?s Law? (b) Find the net electrostatic force on the charge labeled ?P? in ... 1) (a) What is Coulomb?s Law? (b) Find the net electrostatic force on the charge labeled ?P? in ...
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
Video: Primary and secondary response to infection

For a complete list of videos, visit our video library