Author Question: A runner maintains constant acceleration after starting from rest as she runs a distance of 60.0 m. ... (Read 87 times)

futuristic

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A runner maintains constant acceleration after starting from rest as she runs a distance of 60.0 m. The runner's speed at the end of the 60.0 m is 9.0 m/s. How much time did it take the runner to complete the 60.0 m distance?
 
  A)
 
  6.67 s
 
  B)
 
  15.0 s
 
  C)
 
  9.80 s
 
  D)
 
  10.2 s
 
  E)
 
  13.3 s

Question 2

A projectile is shot from the surface of Earth by means of a very powerful cannon. If the projectile reaches a height of 35,000 m above Earth's surface, what was the speed of the projectile when it left the cannon?
 
  A)
 
  355 m/s
 
  B)
 
  505 m/s
 
  C)
 
  827 m/s
 
  D)
 
  710 m/s
 
  E)
 
  906 m/s



alvinum

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Answer to Question 1

E

Answer to Question 2

C



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