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Author Question: What is an inertial reference frame? It is one a. that does not accelerate. c. that accelerates at ... (Read 109 times)

fahad

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on: Jul 28, 2018
What is an inertial reference frame? It is one
 a. that does not accelerate.
  c. that accelerates at a constant rate.
  b. that accelerates at a varying rate.
  d. in which velocities are all constant.

Question 2

A mass is suspended from a string in an airplane. As the plane is in the process of taking off, it is found that the string, instead of being vertical, hangs at an angle of 13 from the vertical. What is the acceleration of the plane at this time?
 a. 2.3 m/s2
  c. 9.1 m/s2
  b. 3.8 m/s2
  d. 3.5 m/s2


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cupcake16

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

A

Answer to Question 2

A


fahad

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Reply 2 on: Jul 28, 2018
Gracias!

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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