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Author Question: A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. The ... (Read 216 times)

Ebrown

  • Hero Member
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  • Posts: 567
on: Jul 29, 2018
A 30.0-kg object has a drag force with a magnitude proportional to the square of its speed. The object falls with an acceleration 4.00 m/s2 downward when it is falling downward at 70.0 m/s. What is its terminal velocity?
 
  A)
 
  110 m/s
 
  B)
 
  157 m/s
 
  C)
 
  91.0 m/s
 
  D)
 
  172 m/s
 
  E)
 
  108 m/s

Question 2

Vector cross products are not commutative.
 
  Indicate whether the statement is true or false


rachel

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

C

Answer to Question 2

TRUE


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