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Author Question: An object approaches the bottom of a ramp, point A. It goes up the ramp and turns around at point B, ... (Read 108 times)

gonzo233

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on: Jul 29, 2018
An object approaches the bottom of a ramp, point A. It goes up the ramp and turns around at point B, which is 40.0 m above A. The ramp makes an angle of 30.0 with the horizontal.
 
  What is the speed of the object at point A? Neglect friction and use g = 10.0 m/s2. A) 23.8 m/s
  B) 28.3 m/s
  C) 10.0 m/s
  D) 11.6 m/s
  E) 15.3 m/s

Question 2

An object is moving with constant non-zero acceleration in the +x-axis. The velocity versus time graph of this object is
 
  A) a horizontal straight line.
  B) a vertical straight line.
  C) a straight line making an angle with the time axis.
  D) a parabolic curve.
  E) a hyperbolic curve.


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Bison

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

B

Answer to Question 2

C


gonzo233

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Reply 2 on: Jul 29, 2018
Excellent

duy1981999

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Reply 3 on: Yesterday
:D TYSM

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