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Author Question: If your heart is beating at 76.0 beats per minute, what is the frequency of your heart's ... (Read 30 times)

azncindy619

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on: Jul 29, 2018
If your heart is beating at 76.0 beats per minute, what is the frequency of your heart's oscillations in hertz?
 
  A) 2.54 Hz B) 3.98 Hz C) 4560 Hz D) 1450 Hz E) 1.27 Hz

Question 2

A ball thrown horizontally from a point 24 m above the ground, strikes the ground after traveling horizontally a distance of 18 m. With what speed was it thrown, assuming negligible air effects?
 
  A) 6.1 m/s
  B) 7.4 m/s
  C) 8.1 m/s
  D) 8.9 m/s


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cegalasso

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

E

Answer to Question 2

C


azncindy619

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Reply 2 on: Jul 29, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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