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Author Question: The speed of an object is given by v = 5.00t2 +4, where v is in m/s and t is in s. What is the ... (Read 45 times)

yoroshambo

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on: Jul 28, 2018
The speed of an object is given by v = 5.00t2 +4, where v is in m/s and t is in s. What is the acceleration of the object at t = 2.00 s?
 a. 5.00 m/s2
  b. 9.00 m/s2
  c. 10.0 m/s2
  d. 14.0 m/s2
  e. 20.0 m/s2

Question 2

A problem may be solved more easily when alternative representations are used. The best strategy is to formulate representations in an order that assists in understanding the physical principles involved. Of the orders given below, the one that will work best most often is
 a. pictorial representation, mathematical representation, tabular representation, mental representation.
  b. pictorial representation, mental representation, mathematical representation, tabular representation.
  c. mathematical representation, pictorial representation, tabular representation, mental representation.
  d. mathematical representation, tabular representation, mental representation, pictorial representation.
  e. mental representation, pictorial representation, tabular representation, mathematical representation.


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karmakat49

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

e

Answer to Question 2

e


yoroshambo

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

31809pancho

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Reply 3 on: Yesterday
Gracias!

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