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Author Question: A car travels in an oval path as shown below. = 25 m/s, West, and = 20 m/s, North. The ratio of the ... (Read 49 times)

Cooldude101

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on: Jul 28, 2018
A car travels in an oval path as shown below. = 25 m/s, West, and = 20 m/s, North. The ratio of the magnitude of the centripetal acceleration at B to that at A, , is:
 
 
 
   
  a.
  0.512
   
  b.
  0.64
   
  c.
  0.8
   
  d.
  1.25
   
  e.
  1.56

Question 2

A stunt pilot performs a circular dive of radius 800 m. At the bottom of the dive (point B in the figure) the pilot has a speed of 200 m/s which at that instant is increasing at a rate of 20 m/s2. What acceleration does the pilot have at point B?
 
 
 
   
  a.
  m/s2
   
  b.
  m/s2
   
  c.
  m/s2
   
  d.
  m/s2
   
  e.
  m/s2


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epscape

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Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

c


Cooldude101

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Reply 2 on: Jul 28, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Excellent

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