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Author Question: A solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a ... (Read 244 times)

theo

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A solenoid with 400 turns has a radius of 0.040 m and is 40 cm long.
 
  If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field near the center of the solenoid? (0 = 4  10-7 T  m/A)
  A) 16 mT
  B) 4.9 mT
  C) 15 mT
  D) 6.0 mT
  E) 9.0 mT

Question 2

A 1000-kg car is moving at 15 km/h. If a 2000-kg truck has 23 times the kinetic energy of the car, how fast is the truck moving?
 
  A) 51 km/h
  B) 72 km/h
  C) 61 km/h
  D) 41 km/h


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guyanai

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theo

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Reply 2 on: Jul 29, 2018
Excellent


Chelseyj.hasty

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Reply 3 on: Yesterday
Wow, this really help

 

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