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Author Question: A bowling ball of mass 7.5 kg and radius 9.0 cm rolls without slipping 10 m down a lane at 4.3 m/s. ... (Read 342 times)

cmoore54

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on: Jul 29, 2018
A bowling ball of mass 7.5 kg and radius 9.0 cm rolls without slipping 10 m down a lane at 4.3 m/s.
 
  (a) Calculate the angular displacement of the bowling ball.
  (b) Calculate the angular velocity of the bowling ball.
  (c) Calculate the centripetal acceleration of the bowling ball.
  (d) Calculate the tangential acceleration of the bowling ball.

Question 2

The momentum of 1 J of energy in an electromagnetic wave is
 
  A)
 
  1.5  10-9 kgm/s.
  B)
 
  3  10-9 kgm/s.
  C)
 
  1 kg m/s.
  D)
 
  1  10-17 kgm/s.
  E)
 
  1000 kg m/s.


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frejo

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

(a) 110 rad
(b) 48 rad/s
(c) 210 m/s2
(d) 0 m/s2

Answer to Question 2

B


cmoore54

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Reply 2 on: Jul 29, 2018
Excellent

helenmarkerine

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Reply 3 on: Yesterday
Wow, this really help

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