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Author Question: An airplane with a wingspan of 60.0 m flies parallel to the Earth's surface at a point where the ... (Read 23 times)

javeds

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on: Jul 28, 2018
An airplane with a wingspan of 60.0 m flies parallel to the Earth's surface at a point where the downward component of the Earth's magnetic field is 0.400  l0-4 T. If the induced potential between wingtips is 0.600 V, what is the plane's speed?
 a. 338 m/s
  c. 250 m/s
  b. 375 m/s
  d. 417 m/s

Question 2

Suppose a 0.30-kg mass on a spring that has been compressed 0.10 m has elastic potential energy of 1.5 J. What is the spring constant?
 a. 10 N/m
  c. 200 N/m
  b. 20 N/m
  d. 300 N/m


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sabina576

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

C

Answer to Question 2

D


javeds

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

nguyenhoanhat

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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