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Author Question: A 50.0-kg box is being pushed along a horizontal surface. The coefficient of kinetic friction ... (Read 72 times)

Hungry!

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on: Jul 29, 2018
A 50.0-kg box is being pushed along a horizontal surface. The coefficient of kinetic friction between the box and the ground is 0.350. What horizontal force must be exerted on the box for it to accelerate at 1.20 m/s2?
 
  A) 60.0 N
  B) 116 N
  C) 172 N
  D) 232 N
  E) 491 N

Question 2

What is the magnetic field at the center of a circular loop of wire of radius 4.0 cm when a current of 2.0 A flows in the wire?
 
  A) 1.3  10-6 T
  B) 3.1  10-6 T
  C) 1.3  10-5 T
  D) 3.1  10-5 T
  E) 0 T


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jazzlynnnnn

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

D

Answer to Question 2

D


Hungry!

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Reply 2 on: Jul 29, 2018
Excellent

momolu

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Reply 3 on: Yesterday
Gracias!

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