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Author Question: A body of mass 5.0 kg is suspended by a spring which stretches 10 cm when the mass is attached. It ... (Read 371 times)

geodog55

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on: Jul 28, 2018
A body of mass 5.0 kg is suspended by a spring which stretches 10 cm when the mass is attached. It is then displaced downward an additional 5.0 cm and released. Its position as a function of time is approximately
 a. y = -0.10 sin 9.9t
  b. y = 0.10 cos 9.9t
  c. y = -0.10 cos (9.9t + .1)
  d. y = 0.10 sin (9.9t + 5)
  e. y = -0.05 cos 9.9t

Question 2

A hydrogen atom emits a photon of wavelength 657.7 nm. From what energy state to what lower energy state did the electron jump?


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Ptupou85

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Reply #1 on: Jul 28, 2018
Answer to Question 1

E

Answer to Question 2

n = 3 to n = 2


geodog55

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Reply 2 on: Jul 28, 2018
Wow, this really help

xoxo123

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Reply 3 on: Yesterday
Excellent

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