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Author Question: Neglecting air resistance, Sammy Smarts on a high ladder releases a ball that strikes the ground ... (Read 86 times)

Jkov05

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on: Jul 29, 2018
Neglecting air resistance, Sammy Smarts on a high ladder releases a ball that strikes the ground with 100 J of kinetic energy. If he were to instead throw the ball straight upward, it will soon reach the ground with a kinetic energy of
 
  A) less than 100 J.
  B) 100 J.
  C) more than 100 J.

Question 2

If a Ping-Pong ball and a golf ball both move in the same direction with the same amount of kinetic energy, the speed of the Ping-Pong ball must be
 
  A) less than the golf ball.
  B) more than the golf ball.
  C) both the same
  D) need more information


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ririgirl15

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

Answer: B

Answer to Question 2

Answer: B


Jkov05

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Reply 2 on: Jul 29, 2018
Wow, this really help

raenoj

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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