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Author Question: A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. What is ... (Read 169 times)

abarnes

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on: Jul 29, 2018
A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. What is the recoil speed of the cannon?
 
  A) 1.0 m/s
  B) 2.0 m/s
  C) 4.0 m/s
  D) 6.0 m/s
  E) 8.0 m/s

Question 2

When an electron moves in a direction opposite to the electric field, its potential increases but the potential energy decreases.
 
  Indicate whether the statement is true or false


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chloejackso

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

C

Answer to Question 2

TRUE


abarnes

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Reply #2 on: Jul 29, 2018
Thanks


chloejackso

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


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