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Author Question: A 2 500-kg car is moving at 2.30 m/s. How fast must a 1.5-kg toy car be moving so that the two have ... (Read 43 times)

Tirant22

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on: Jul 28, 2018
A 2 500-kg car is moving at 2.30 m/s. How fast must a 1.5-kg toy car be moving so that the two have the same kinetic energy?
 a. 61.9 m/s
  b. 3.97 m/s
  c. 93.9 m/s
  d. 6 610 m/s

Question 2

A 1 300-kg automobile moving at 21 m/s has the brakes applied with a deceleration of 3.0 m/s2 . How far does the car travel before it stops?
 a. 7.4E+1 m
  b. 1.5E+2 m
  c. 2.9E+5 m
  d. 2.3E+4 m
  e. 4.3E+2 m


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eliasc0401

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

c

Answer to Question 2

a


Tirant22

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

Viet Thy

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Reply 3 on: Yesterday
Excellent

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