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Author Question: A jet airliner moving at 600 mph due east moves into a region where the wind is blowing at 120 mph ... (Read 59 times)

MirandaLo

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on: Jul 28, 2018
A jet airliner moving at 600 mph due east moves into a region where the wind is blowing at 120 mph in a direction 30.0 north of east. What is the new speed and direction of the aircraft?
 a. 706 mph, 5.67 N of E
  c. 706 mph, 4.87 N of E
  b. 620 mph, 5.67 N of E
  d. 588 mph, 4.87 N of E

Question 2

A baseball is moving in the air along the customary parabola. Ignoring air drag, where is the force on the baseball zero?
 a. at the top of the parabola
  c. where it is about to impact
  b. just when it has started upward
  d. nowhere


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jasonq

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

C

Answer to Question 2

D


MirandaLo

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Reply #2 on: Jul 28, 2018
Thanks


jasonq

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Reply #3 on: Jul 28, 2018
Welcome :)


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