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Author Question: Misty throws a stone horizontally from the roof edge of a 50. meter high dormitory. It hits the ... (Read 80 times)

craiczarry

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on: Jul 27, 2018
Misty throws a stone horizontally from the roof edge of a 50. meter high dormitory. It hits the ground at a point 60. m from the building.
 
  (a) Determine the horizontal component of velocity just before hitting the ground.
  (b) What vertical speed did it have just before hitting the ground?

Question 2

As a helium-filled dirigible rises in the atmosphere, the buoyancy force is expected to
 
  A) increase.
  B) remain constant.
  C) decrease.


lucas dlamini

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 19. m/s
(b) 31. m/s

Answer to Question 2

C


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