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Author Question: A bowling ball of mass 7.5 kg and diameter 18 cm rolls without slipping down a 10-m bowling lane ... (Read 140 times)

Tazate

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on: Jul 29, 2018
A bowling ball of mass 7.5 kg and diameter 18 cm rolls without slipping down a 10-m bowling lane with a constant speed 4.3 m/s.
 
  (a) Through what angle does the bowling ball turn as it travels the length of the lane?
  (b) What is the angular speed of the bowling ball?
  (c) Calculate the maximum radial acceleration that a point on the surface of the bowling ball could have.
  (d) Calculate the tangential acceleration of a point on the surface of the bowling ball.

Question 2

A supplier wants to make a profit by buying gold by weight at one altitude and selling it at the same price per newton at another altitude. The supplier should
 
  A) buy at a high altitude and sell at a low altitude.
  B) buy at a low altitude and sell at a high altitude.
  C) disregard altitude because it makes no difference.


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cuttiesgirl16

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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

Answer: A


Tazate

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


cuttiesgirl16

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


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