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Author Question: Event A occurs before event B in a certain frame of reference. In another frame of reference, event ... (Read 131 times)

jilianpiloj

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on: Jul 29, 2018
Event A occurs before event B in a certain frame of reference. In another frame of reference, event A could occur
 
  A) after event B.
  B) simultaneous with event B.
  C) either of these
  D) neither of these

Question 2

A 30-cm steel rod, 1.0 cm in diameter, supports a 300-kg mass. What is the change in length of the rod? Young's modulus for steel is 20  1010 N/m2.
 
  A) 5.6  10-5 m
  B) 6.5  10-5 m
  C) 5.6  10-6 m
  D) 6.5  10-6 m
  E) 6.5  10-4 m


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poopface

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

Answer: C

Answer to Question 2

A


jilianpiloj

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

dawsa925

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Reply 3 on: Yesterday
Wow, this really help

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