« previous next »

Author Question: A horizontal 52-N force must be exerted for a box to slide across a flat surface at a constant ... (Read 12 times)

mikaylakyoung

  • Hero Member
  • *****
  • Posts: 531
on: Jul 29, 2018
A horizontal 52-N force must be exerted for a box to slide across a flat surface at a constant velocity of 3.5 m/s. What is the coefficient of kinetic friction between the box and the floor?
 
  A) 0.11
  B) 0.09
  C) 0.10
  D) 0.13

Question 2

The coefficients of static and kinetic friction between a 3.0-kg box and a horizontal desktop are 0.40 and 0.30, respectively. What is the force of friction on the box when a 15-N horizontal push is applied to the box?
 
  A) 4.5 N B) 6.0 N C) 15 N D) 8.8 N E) 12 N
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


hugthug12

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

thyroid slide thyroid slide
Surface Coal Mine Reclamation Surface Coal Mine Reclamation
This bike actually flies—thanks to six horizontal propellers and a battery-powered motor. Changing ... This bike actually flies—thanks to six horizontal propellers and a battery-powered motor. Changing ...
How to find the volume and surface area of any triangular prism How to find the volume and surface area of any triangular prism
Testing muscle strength using opposing force Testing muscle strength using opposing force
Find the resultant for the following force combinations Find the resultant for the following force combinations
Video: Leukemia

For a complete list of videos, visit our video library