Neglecting air resistance, Sammy Smarts on a high ladder releases ...

[Jkov05]

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

[ririgirl15]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

[Jkov05]

Thanks for the timely response, appreciate it

[AmberC1996]

TYSM