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Author Question: An object oscillates such that its displacement is x = (0.222m) sin(314. t) where t is in seconds. ... (Read 33 times)

Pea0909berry

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on: Jul 27, 2018
An object oscillates such that its displacement is x = (0.222m) sin(314. t) where t is in seconds.
 
  (a) In one period, the object moves what distance?
  (b) What is the frequency?
  (c) What is the position at t = 1.00 s?

Question 2

Consider a human heart rate of 80 beats per minute. If someone's heart beats at that rate over a 70-yr lifetime, how many times would it beat?
 
  A) 2.20  109
  B) 7.44  105
  C) 3.26  1010
  D) 2.95  109
  E) 1.78  107


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mtmmmmmk

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

(a) 0.888 m
(b) 50.0 Hz
(c) x = -0.0352 m

Answer to Question 2

D


Pea0909berry

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Reply 2 on: Jul 27, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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