« previous next »

Author Question: A solid disk is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it ... (Read 87 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
on: Jul 29, 2018
A solid disk is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts up a ramp that makes an angle of 25.0 with the horizontal. What is the speed of the disk after it has rolled 3.00 m up the ramp?
 
  A) 4.01 m/s
  B) 1.92 m/s
  C) 2.06 m/s
  D) 6.79 m/s
  E) 8.02 m/s

Question 2

A truck is towing a car whose mass is one quarter that of the truck. The force exerted by the truck on the car is 6000 N. The force exerted by the car on the truck is
 
  A) 1500 N.
  B) 24000 N.
  C) 3000 N.
  D) 6000 N.
  E) 12000 N.


ecox1012

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

The Inner Surface of Human Lung The Inner Surface of Human Lung
Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer
Priming Affects the Speed of Respones on a Lexical Decision Task Priming Affects the Speed of Respones on a Lexical Decision Task
Composition of Municipal Solid Waste Composition of Municipal Solid Waste
Telescopic View of the Lunar Surface Telescopic View of the Lunar Surface
Water strider (Gerris remigis) on water surface, showing surface tension. Water strider (Gerris remigis) on water surface, showing surface tension.
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library