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Author Question: The figure represents the position of a particle as it travels along the x-axis. Between t = 2 s and ... (Read 224 times)

JGIBBSON

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on: Jul 29, 2018
The figure represents the position of a particle as it travels along the x-axis. Between t = 2 s and t = 4 s, what is (a) the average speed of the particle and (b) the average velocity of the particle?
 
  What will be an ideal response?

Question 2

A racing car accelerates uniformly from rest along a straight track. This track has markers spaced at equal distances along it from the start, as shown in the figure. The car reaches a speed of 140 km/h as it passes marker 2.
 
  Where on the track was the car when it was traveling at 70 km/h?
 
  A) Before marker 1
  B) At marker 1
  C) Between marker 1 and marker 2


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apple

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

Answer: (a) 1.0 m/s (b) 0.00 m/s

Answer to Question 2

Answer: A


JGIBBSON

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Reply #2 on: Jul 29, 2018
Thanks


apple

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Reply #3 on: Jul 29, 2018
Welcome :)


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