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Author Question: A meter stick having a rest mass of 1 kg moves past you. Your measurements show it to have a mass of ... (Read 64 times)

silviawilliams41

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on: Jul 29, 2018
A meter stick having a rest mass of 1 kg moves past you. Your measurements show it to have a mass of 2 kg and a length of 1 m. How is the stick oriented, as observed by you?
 
  A) perpendicular to its direction of motion
  B) parallel to its direction of motion
  C) It is impossible to say anything about the orientation without further information.
  D) Nonsense--if the stick's mass has increased to 2 kg, then it must be longer than 1 m.

Question 2

Suppose you want to set up a simple pendulum with a period of 2.50 s. How long should it be
  (a) on Earth, at a location where g = 9.80 m/s2?
  (b) on a planet where g is 5.00 times what it is on Earth?
 
  What will be an ideal response?


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Jsherida

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

A

Answer to Question 2

(a) 1.55 m (b) 7.76 m


silviawilliams41

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Reply 2 on: Jul 29, 2018
Wow, this really help

tkempin

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

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