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Author Question: A torque of 12 N m is exerted on a solid, uniform disk of radius 0.50 m. If the disk accelerates at ... (Read 49 times)

@Brianna17

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on: Jul 29, 2018
A torque of 12 N  m is exerted on a solid, uniform disk of radius 0.50 m. If the disk accelerates at what is the mass of the disk?
 
  A) 60 kg
  B) 45 kg
  C) 30 kg
  D) 15 kg

Question 2

A tennis ball bounces on the floor three times, and each time it loses 23.0 of its energy due to heating. How high does it bounce after the third time, if we released it 4m from the floor?
 
  A) 180 mm B) 240 cm C) 18 cm D) 180 cm


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juliaf

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

A

Answer to Question 2

D


@Brianna17

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

Joy Chen

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

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