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Author Question: A coil in a magnetic field encloses a flux of 0.256 Tm2 when the angle between the normal to the ... (Read 71 times)

cabate

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on: Jul 28, 2018
A coil in a magnetic field encloses a flux of 0.256 Tm2 when the angle between the normal to the coil and the direction of the magnetic field is 70.0. What flux would go through the coil if the angle were changed to 30.0?
 a. 0.648 Tm2
  c. 0.114 Tm2
  b. 0.573 Tm2
  d. 0.198 Tm2

Question 2

A runaway railroad car, with mass 30  104 kg, coasts across a level track at 2.0 m/s when it collides with a spring-loaded bumper at the end of the track. If the spring constant of the bumper is 4.0  106 N/m, what is the maximum compression of the spring during the collision? (Assume the collision is elastic.)
 a. 0.77 m
  c. 0.34 m
  b. 0.55 m
  d. 1.07 m


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samiel-sayed

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

A

Answer to Question 2

B


cabate

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

jackie

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Reply 3 on: Yesterday
Wow, this really help

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