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Author Question: When a parachutist jumps from an airplane, he eventually reaches a constant speed, called the ... (Read 65 times)

jenna1

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on: Jul 29, 2018
When a parachutist jumps from an airplane, he eventually reaches a constant speed, called the terminal speed. Once he has reached terminal speed
 
  A) his acceleration is equal to g.
  B) the force of air drag on him is equal to zero.
  C) the force of air drag on him is equal to g.
  D) his speed is equal to g.
  E) the force of air drag on him is equal to his weight.

Question 2

A 120-kg refrigerator, 2.00 m tall and 85.0 cm wide has its center of mass at its geometrical center. You are attempting to slide it along the floor by pushing horizontally on the side of the refrigerator.
 
  The coefficient of static friction between the floor and the refrigerator is 0.300. Depending on where you push, the refrigerator may start to tip over before it starts to slide along the floor. What is the highest distance above the floor that you can push the refrigerator so that it won't tip before it begins to slide? A) 0.710 m
  B) 1.00 m
  C) 1.21 m
  D) 1.42 m
  E) 1.63 m


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ApricotDream

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

E

Answer to Question 2

D


jenna1

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Reply 2 on: Jul 29, 2018
:D TYSM

zacnyjessica

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Reply 3 on: Yesterday
Excellent

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