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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 81 times)

student77

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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


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ankilker

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


student77

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Reply #2 on: Jul 28, 2018
Thanks


ankilker

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Reply #3 on: Jul 28, 2018
Welcome :)


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