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Author Question: How are speed and velocity related? a. Speed and velocity are the same. b. Velocity relates to ... (Read 146 times)

Mr3Hunna

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on: Jul 28, 2018
How are speed and velocity related?
 a. Speed and velocity are the same.
  b. Velocity relates to instantaneous speed, but not to average speed.
  c. Velocity specifies both the speed and the direction of a moving object.
  d. Velocity relates to very small objects, such as atoms, while speed relates large objects such as cars.
  e. Velocity is the scientific and technical word for speed.

Question 2

How small a time interval is needed for a good calculation of instantaneous speed?
 a. Instantaneous speed is calculated for a single instant.
  b. Three days is small enough.
  c. Use the longest interval of travel to avoid numerical error.
  d. An interval short enough so that the answer won't change very much if you use a shorter one.
  e. A single second is short enough.


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pikon

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

c

Answer to Question 2

d


Mr3Hunna

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


pikon

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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