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Author Question: The planet Neptune was discovered by perturbations of A) Uranus. B) its moons. C) Pluto. D) ... (Read 73 times)

clippers!

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on: Jul 29, 2018
The planet Neptune was discovered by perturbations of
 
  A) Uranus.
  B) its moons.
  C) Pluto.
  D) none of the above

Question 2

When a laboratory sample of unknown mass is placed on a vertical spring-scale having a force constant (spring constant) of 467 N/m, the system obeys the equation y = (4.4 cm) cos(33.3 s-1 t). What is the mass of this laboratory sample?
 
  What will be an ideal response?


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amcvicar

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

Answer: A

Answer to Question 2

0.421 kg


clippers!

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

jackie

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Reply 3 on: Yesterday
Wow, this really help

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