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Author Question: A small sphere with a mass of 441 g is moving upward along the vertical +y-axis when it encounters ... (Read 11 times)

audragclark

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on: Jul 29, 2018
A small sphere with a mass of 441 g is moving upward along the vertical +y-axis when it encounters an electric field of 5.00 N/C .
 
  If, due to this field, the sphere suddenly acquires a horizontal acceleration of 13.0 m/s2 , what is the charge that it carries?
  A) 1.15 C
  B) -1.15 C
  C) 1150 C
  D) -1150 C

Question 2

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the magnitude of the magnetic field midway between the two wires? (0 = 4  10-7 T  m/A)
 
  A) 2.0  10-5 T
  B) 4.0  10-5 T
  C) 1.0  10-5 T
  D) 3.0  10-5 T
  E) 5.0  10-5 T


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Marked as best answer by a Subject Expert

aprice35067

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

A

Answer to Question 2

E


audragclark

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Reply 2 on: Jul 29, 2018
Gracias!

amit

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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