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Author Question: A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What is ... (Read 43 times)

ghost!

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on: Jul 29, 2018
A 40.0-kg crate is being raised by means of a rope. Its upward acceleration is 2.00 m/s2. What is the force exerted by the rope on the crate?
 
  A) 80.0 N
  B) 312 N
  C) 392 N
  D) 472 N
  E) 552 N

Question 2

An electron moving in the positive y direction, at right angles to a magnetic field, experiences a magnetic force in the negative x direction. What is the direction of the magnetic field?
 
  A) It is in the negative x direction.
  B) It is in the positive x direction.
  C) It is in the positive y direction.
  D) It is in the negative z direction.
  E) It is in the positive z direction.


GCabra

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

E


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