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Author Question: If you increase the initial speed of a bullet by 10, the resultant RANGE will increase by what ... (Read 78 times)

yoooooman

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on: Jul 27, 2018
If you increase the initial speed of a bullet by 10, the resultant RANGE will increase by what percent (assume air resistance can be ignored)?
 
  A) 5.0
  B) 20
  C) 10
  D) 21
  E) 11

Question 2

In space, a 4.0 kg metal ball moving 30. m/s has a head-on collision with a stationary second ball of equal mass. After the elastic collision, what are the velocities of the balls?
 
  What will be an ideal response?


billybob123

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

D

Answer to Question 2

They exchange velocities: the first becomes zero, and the second acquires 30. m/s in the direction the first was moving.


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