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Author Question: A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500kg. If the two ... (Read 125 times)

kshipps

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on: Jul 29, 2018
A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500kg. If the two vehicles lock together, what is their combined velocity immediately after the collision?
 
  A) 12.1 m/s
  B) 8.6 m/s
  C) 6.9 m/s
  D) 5.5 m/s

Question 2

If the headlights on a car are separated by 1.3 m, how far down the road can they be resolved if the angular resolution of the eye is 5.0  10-4 rad and the person has excellent vision?
 
  A) 1.3 km
  B) 5.0 km
  C) 4.8 km
  D) 0.65 km
  E) 2.6 km


LegendaryAnswers

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

C

Answer to Question 2

E


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kshipps

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


LegendaryAnswers

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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