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Author Question: The accelerating force of the wind on a small 300-kg sailboat is 780 N northeast. If the drag of the ... (Read 97 times)

Caiter2013

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on: Jul 28, 2018
The accelerating force of the wind on a small 300-kg sailboat is 780 N northeast. If the drag of the keel is 552 N acting west, what is the acceleration of the boat?
 a. 4.4 m/s2 due east
  b. 1.8 m/s2 due north
  c. 2.6 m/s2 northeast
  d. 3.2 m/s2 north by northwest
  e. 0.23 m/s2 due east

Question 2

A 60.0-kg man jumps 1.70 m down onto a concrete walkway. His downward motion stops in 0.025 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?
 a. 13 900 N
  b. 346 N
  c. 8 000 N
  d. 1 790 N


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tuwy

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

b

Answer to Question 2

a


Caiter2013

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Reply #2 on: Jul 28, 2018
Thank you!


tuwy

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Reply #3 on: Jul 28, 2018
Always glad to help...


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