This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A force of 5.0 N is applied to a 20-kg mass on a horizontal frictionless surface. As the speed of ... (Read 129 times)

student77

  • Hero Member
  • *****
  • Posts: 567
on: Jul 28, 2018
A force of 5.0 N is applied to a 20-kg mass on a horizontal frictionless surface. As the speed of the mass increases at a constant acceleration, the power delivered to it by the force:
 a. remains the same.
  c. decreases.
  b. increases.
  d. doubles every 4.0 seconds.

Question 2

Charge A and charge B are 3.00 m apart, and charge A is +2.00 C and charge B is +3.00 C. Charge C is located between them at a certain point and the force on charge C is zero. How far from charge B is charge C?
 a. 1.35 m
  c. 1.65 m
  b. 0.667 m
  d. 0.555 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


student77

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 28, 2018
Thanks


ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

The Sun as it appears from the surface of Earth during the middle of the day The Sun as it appears from the surface of Earth during the middle of the day
Muscle Strength of the Hip, Abduction with Opposing Force Muscle Strength of the Hip, Abduction with Opposing Force
Surface Features on Titan Surface Features on Titan
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
Horizontal stroking to thigh from superior to inferior. Lift tissues as hands cross over top of ... Horizontal stroking to thigh from superior to inferior. Lift tissues as hands cross over top of ...
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Video: Types of synapses - electrical & chemical

For a complete list of videos, visit our video library