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Author Question: A woman who normally weighs 400 N stands on top of a very tall ladder so she is one Earth-radius ... (Read 243 times)

berenicecastro

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on: Jul 29, 2018
A woman who normally weighs 400 N stands on top of a very tall ladder so she is one Earth-radius above Earth's surface. What is her weight there?
 
  A) zero
  B) 100 N
  C) 200 N
  D) 400 N
  E) none of the above

Question 2

A projectile is shot horizontally at 23.4 m/s from the roof of a building 55 m tall and experiences negligible air resistance.
  (a) Determine the time necessary for the projectile to reach the ground below.
 
  (b) Determine the distance from the base of the building that the projectile lands.
  (c) Determine the horizontal and vertical components of the velocity just before the projectile reaches the ground.


anoriega3

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

(a) 3.4 s (b) 78 m (c) vhoriz = 23.4 m/s, vvert = 33 m/s downward


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berenicecastro

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Reply #2 on: Jul 29, 2018
Thanks


anoriega3

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Reply #3 on: Jul 29, 2018
Welcome :)


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