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Author Question: A boat moves at 10.8 m/s relative to the water. If the boat is in a river where the current is 2.00 ... (Read 367 times)

TFauchery

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on: Jul 28, 2018
A boat moves at 10.8 m/s relative to the water. If the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1 100 m upstream followed by a 1 100-m trip downstream?
 a. 250 s
  b. 172 s
  c. 211 s
  d. 297 s
  e. 336 s

Question 2

A jet airliner moving at 470 mph due east moves into a region where the wind is blowing at 110 mph in a direction 30.0 north of east. What is the new velocity and direction of the aircraft?
 a. 568 mph, 5.56 N of E
  b. 573 mph, 5.98 N of E
  c. 520 mph, 9.06 N of E
  d. 568 mph, 10.4 N of E
  e. 448 mph, 9.45 N of E


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ally

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

c

Answer to Question 2

a


TFauchery

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  • Posts: 500
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

xiazhe

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  • Posts: 331
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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