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

Author Question: As an object of mass 60 kg approaches the bottom of a ramp, point A, its speed is 20 m/s. It goes up ... (Read 64 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
on: Jul 29, 2018
As an object of mass 60 kg approaches the bottom of a ramp, point A, its speed is 20 m/s. It goes up the frictionless plane and turns around at point B. What is the potential energy of this object at point B? Use g = 10 m/s2.
 
  A) 0 J
  B) 6.0  103 J
  C) 9  103 J
  D) 12  103 J
  E) 18  103 J

Question 2

During the time that the acceleration of a particle is constant, its velocity-vs.-time curve is
 
  A) a straight line.
  B) a parabola opening downward.
  C) a parabola opening upward.
  D) a parabola opening toward the left.
  E) a parabola opening toward the right.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


elizabeth18

  • Hero Member
  • *****
  • Posts: 559
Reply #2 on: Jul 29, 2018
TY


chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

The Parallax of a Nearby Object in Space The Parallax of a Nearby Object in Space
Approaches for gathering an older adult assessment Approaches for gathering an older adult assessment
J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway. J. M. W. Turner, Rain, Steam, and Speed—The Great Western Railway.
A point-type ignition system showing the distributor cam which opens the points A point-type ignition system showing the distributor cam which opens the points
How to find the equation of a line that is perpendicular to a line passing through a point How to find the equation of a line that is perpendicular to a line passing through a point
Set-Point Theory Set-Point Theory
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library