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Author Question: A 1.8-kg block is projected up a rough 10 inclined plane. As the block slides up the incline, its ... (Read 202 times)

anjilletteb

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on: Jul 28, 2018
A 1.8-kg block is projected up a rough 10 inclined plane. As the block slides up the incline, its acceleration is 3.8 m/s2 down the incline. What is the magnitude of the force of friction acting on the block?
 a. 5.0 N
  b. 3.8 N
  c. 4.2 N
  d. 4.6 N
  e. 6.5 N

Question 2

The electric field shown is produced by a single point charge at the center of the picture.
   


 
  If a new negative point charge is placed at location B directly above the one pictured, the force on it will
   
  a.
  be zero.
   
  b.
  push it upward.
   
  c.
  push it downward.
   
  d.
  be in an unknown direction.


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ynlevi

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

b

Answer to Question 2

c


anjilletteb

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Reply 2 on: Jul 28, 2018
Gracias!

robbielu01

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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