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Author Question: If a car accelerates at 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, starting from ... (Read 54 times)

sarasara

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on: Jul 29, 2018
If a car accelerates at 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, starting from rest?
 
  What will be an ideal response?

Question 2

An object is placed at a concave mirror's center of curvature. The image produced by the mirror is located
 
  A)
 
  out beyond the center of curvature.
  B)
 
  at the center of curvature.
  C)
 
  between the center of curvature and the focal point.
  D)
 
  at the focal point.
  E)
 
  between the focal point and the surface of the mirror.


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jackie

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

5.6 seconds

Answer to Question 2

B


sarasara

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

diana chang

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

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