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Author Question: Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the same direction. Jake's ... (Read 146 times)

TVarnum

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on: Jul 29, 2018
Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the same direction. Jake's speed relative to the ground is
 
  A) 6 m/s.
  B) 10 m/s.
  C) 14 m/s.
  D) none of the above

Question 2

You're at rest in a hammock when a hungry mosquito sees an opportunity for lunch. A mild 2-m/s breeze is blowing. If the mosquito joins you for lunch it should hover over you by flying
 
  A) against the breeze at 2 m/s.
  B) with the breeze at 2 m/s.
  C) a bit faster than wind speed.
  D) none of the above


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micaelaswann

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

Answer: C

Answer to Question 2

Answer: A


TVarnum

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Reply #2 on: Jul 29, 2018
Thanks


micaelaswann

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


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