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Author Question: A package is dropped from a helicopter moving upward at 15 m/s. If it takes 16.0 s before the ... (Read 42 times)

Capo

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on: Jul 29, 2018
A package is dropped from a helicopter moving upward at 15 m/s. If it takes 16.0 s before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible?
 
  A) 810 m
  B) 1000 m
  C) 1200 m
  D) 1500 m

Question 2

The length of a certain wire is halved while the radius is doubled. What is the change in the resistance of this wire?
 
  A) It stays the same.
  B) It is reduced by a factor of 2.
  C) It is reduced by a factor of 4.
  D) It is reduced by a factor of 8.
  E) It is quadrupled.


amanda_14

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

B

Answer to Question 2

D


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Capo

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Reply #2 on: Jul 29, 2018
TY


amanda_14

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Reply #3 on: Jul 29, 2018
You're welcome


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