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 61 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
:D TYSM

LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

The planes of the body. The sagittal plane is vertical from front to back, the frontal plane is vert The planes of the body. The sagittal plane is vertical from front to back, the frontal plane is vert
Surface Features on Europa Surface Features on Europa
Apply circular friction to the left side of the neck along cervical muscles with the fingertips of ... Apply circular friction to the left side of the neck along cervical muscles with the fingertips of ...
Sliding effleurage with a thumb between metatarsals on the dorsal foot surface. Slide from web to ... Sliding effleurage with a thumb between metatarsals on the dorsal foot surface. Slide from web to ...
Diversion of surface water Diversion of surface water
A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library