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 120 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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ... Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ...
Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ... Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ...
The horizontal phase shift of the resultant graph is The horizontal phase shift of the resultant graph is
What is the mass of BaCl2 in a 0.250 L bottle of 0.200 M BaCl2? What is the mass of BaCl2 in a 0.250 L bottle of 0.200 M BaCl2?
A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ... A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ...
The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ... The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ...
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library