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Author Question: A 100 lb sack of potatoes falls from an airplane. As the velocity of fall increases, the air ... (Read 80 times)

809779

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on: Jul 28, 2018
A 100 lb sack of potatoes falls from an airplane. As the velocity of fall increases, the air resistance also increases. When air resistance equals 100 lb, the acceleration of the sack will be ____ m/sec/sec.
 a. 0 b. 16 c. 32 d. 9.8 e. 24

Question 2

A rock is projected from the edge of the top of a building with an initial velocity of 12.2 m/s at an angle of 53 above the horizontal. The rock strikes the ground a horizontal distance of 25 m from the base of the building. Assume that the ground is level and that the side of the building is vertical. How tall is the building?
 a. 25.3 m
  b. 29.6 m
  c. 27.4 m
  d. 23.6 m
  e. 18.9 m


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flannelavenger

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

a

Answer to Question 2

D


809779

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


flannelavenger

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


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