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 80 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?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

An example of horizontal gene transfer: antibiotic resistance An example of horizontal gene transfer: antibiotic resistance
West nomogram for estimation of surface areas. West nomogram for estimation of surface areas.
How to find the volume and surface area of any cylinder How to find the volume and surface area of any cylinder
Transverse section and anterior surface of medulla oblongata Transverse section and anterior surface of medulla oblongata
Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ... Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ...
Mass spectrometry of a synthetic version of collagen peptide Mass spectrometry of a synthetic version of collagen peptide
Video: Phases of the ovarian cycle

For a complete list of videos, visit our video library