This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A 50.0-kg box is being pushed along a horizontal surface. The coefficient of kinetic friction ... (Read 17 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jazzlynnnnn

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

D


Hungry!

  • Member
  • Posts: 1,071
Reply 2 on: Jul 29, 2018
Excellent

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

The Sun's Surface The Sun's Surface
Near-Surface Winds Near-Surface Winds
Massage extensor muscles and apply transverse friction over tendons. Knead and press into forearm ... Massage extensor muscles and apply transverse friction over tendons. Knead and press into forearm ...
Gaussian surface in the presence of a dielectric Gaussian surface in the presence of a dielectric
Major Surface-Ocean Currents Major Surface-Ocean Currents
Physics - Illustrate how you understand charging by rubbing or friction using the guide ... Physics - Illustrate how you understand charging by rubbing or friction using the guide ...
Video: Net filtration pressure and lymph formation, edema & blood velocity

For a complete list of videos, visit our video library