Change of gravitational potential energy

Click For Summary

Homework Help Overview

The problem involves calculating the rate of change of gravitational potential energy for an ATV moving up a slope. The context includes the mass of the vehicle, the angle of the slope, and its constant speed.

Discussion Character

  • Exploratory, Conceptual clarification

Approaches and Questions Raised

  • Participants discuss the potential energy equation and its components, questioning the initial height and the time taken to ascend. There is mention of using kinetic energy in conjunction with potential energy and trigonometric considerations.

Discussion Status

Some participants have offered guidance on relevant equations and concepts, while others express uncertainty about how to proceed. Multiple interpretations of the problem are being explored, but there is no explicit consensus on a solution.

Contextual Notes

Participants note the lack of information regarding the initial height and the time taken to reach the new height, which are critical for solving the problem.

jcamaross
Messages
5
Reaction score
0

Homework Statement



An ATV(all terrain Vehicle) of 2000kg mass moves up a 15 degree slope at constant speed os 6m/s. What is the rate of change of gravitational potential energy with time. note power= change of U/change t

a 5.25 kw
b 24.8 kw
c 30.4kw
d 118 kw

Homework Equations





The Attempt at a Solution


no idea
 
Physics news on Phys.org
well you know your potential energy equation i'd hope

just in case

U=mgh where m is the mass g is gravity h is height and U is potential

the change in potential is one potential minus another.

what height do you start at, what is your potential at a new height and how long did it take to get there.oh yeah and kinetic energy is k=.5mv^2

use K=.5mv^2 and U=mgh with a little trig and you golden
 
thanks a lot
 
i still have no idea!
 

Similar threads

Replies
15
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
8
Views
2K
  • · Replies 7 ·
Replies
7
Views
3K
Replies
9
Views
1K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 6 ·
Replies
6
Views
2K