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Author Question: A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 18 times the kinetic energy of the ... (Read 79 times)

mwit1967

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on: Jul 29, 2018
A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 18 times the kinetic energy of the car, how fast is the truck moving?
 
  A) 45 km/h
  B) 63 km/h
  C) 54 km/h
  D) 36 km/h

Question 2

Which one of the following experiments is the justification for the wave theory of light?
 
  A) Frank-Hertz experiment
  B) Newton's rings experiment
  C) Huygens' experiment
  D) Young's double slit experiment
  E) none of the above


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ladyjames123

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

A

Answer to Question 2

D


mwit1967

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Reply #2 on: Jul 29, 2018
Thank you!


ladyjames123

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Reply #3 on: Jul 29, 2018
Always glad to help...


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