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Author Question: A pendulum makes 12 complete swings in 8.0 s. (a) What is its frequency? (b) What is its ... (Read 145 times)

JGIBBSON

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on: Jul 27, 2018
A pendulum makes 12 complete swings in 8.0 s.
 
  (a) What is its frequency?
  (b) What is its period?

Question 2

A car traveling 20 m/s rounds an 80 m radius horizontal curve with the tires on the verge of slipping. How fast can this car round a second curve of radius 320 m?
 
  (Assume the same coefficient of friction between the car's tires and each road surface.)
  A) 40 m/s
  B) 70 m/s
  C) 30 m/s
  D) 1.6  m/s
  E) 80 m/s


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Silverbeard98

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Reply #1 on: Jul 27, 2018
Answer to Question 1

(a) 1.5 Hz
(b) 0.67 s

Answer to Question 2

A


JGIBBSON

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Reply #2 on: Jul 27, 2018
TY


Silverbeard98

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Reply #3 on: Jul 27, 2018
You're welcome


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