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Author Question: A metal blade (length = 80 cm) spins at a constant rate of 10 radians/s about a pivot at one end. A ... (Read 87 times)

DelorasTo

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on: Jul 28, 2018
A metal blade (length = 80 cm) spins at a constant rate of 10 radians/s about a pivot at one end. A uniform magnetic field of 2.0 mT is directed at an angle of 30 with the plane of the rotation. What is the magnitude of the potential difference between the two ends of the blade?
 a. 5.5 mV
  b. 6.4 mV
  c. 3.2 mV
  d. 11 mV
  e. 13 mV

Question 2

A 20-cm length of wire is held along an east-west direction and moved horizontally to the north with a speed of 3.0 m/s in a region where the magnetic field of the earth is 60 mT directed 30 below the horizontal. What is the magnitude of the potential difference between the ends of the wire?
 a. 36 mV
  b. 18 mV
  c. 31 mV
  d. 24 mV
  e. 21 mV


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Dunkey

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

C

Answer to Question 2

B


DelorasTo

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

jordangronback

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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