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Author Question: A car accelerates from to at a constant rate of How far does it travel while accelerating? A) 69 ... (Read 129 times)

Hungry!

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on: Jul 29, 2018
A car accelerates from to at a constant rate of How far does it travel while accelerating?
 
  A) 69 m
  B) 207 m
  C) 41 m
  D) 117 m

Question 2

A machinist turns on the power on to a grinding wheel at time t = 0 s. The wheel accelerates uniformly from rest for 10 s and reaches the operating angular speed of The wheel is run at that angular velocity for 40 s and then power is shut off.
 
  The wheel slows down uniformly at until the wheel stops. For how long a time after the power is shut off does it take the wheel to stop? A) 64 s
  B) 62 s
  C) 66 s
  D) 68 s
  E) 70 s


apple

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

A

Answer to Question 2

A


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