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Author Question: A cheetah can run at approximately 100 km/hr and a gazelle at 80.0 km/hr. If both animals are ... (Read 27 times)

moongchi

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on: Jul 28, 2018
A cheetah can run at approximately 100 km/hr and a gazelle at 80.0 km/hr. If both animals are running at full speed, with the gazelle 60.0 m ahead, how long before the cheetah catches its prey?
 a. 6.30 s
  c. 5.40 s
  b. 21.6 s
  d. 10.8 s

Question 2

A ball rolls down an incline, starting from rest. If the total time it takes to reach the end of the incline is T, how much time has elapsed when it is halfway down the incline?
 a. 0.5T
  c. > 0.5T
  b. < 0.5T
  d. More information is needed.


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tkempin

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

D

Answer to Question 2

C


moongchi

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

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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