Change of gravitational potential energy

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SUMMARY

The discussion focuses on calculating the rate of change of gravitational potential energy for a 2000 kg ATV moving up a 15-degree slope at a constant speed of 6 m/s. The relevant equations include the potential energy formula U = mgh and the kinetic energy formula K = 0.5mv². The power, defined as the change in potential energy over time, is critical for solving the problem. The correct answer is derived from applying these formulas and considering the height change due to the slope.

PREREQUISITES
  • Understanding of gravitational potential energy (U = mgh)
  • Knowledge of kinetic energy (K = 0.5mv²)
  • Basic trigonometry for slope calculations
  • Familiarity with power calculations in physics
NEXT STEPS
  • Study the derivation of gravitational potential energy in inclined planes
  • Learn how to apply trigonometric functions to calculate height changes
  • Explore power calculations in physics, specifically in mechanical systems
  • Investigate the relationship between kinetic and potential energy in motion
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and energy transformations, as well as educators looking for practical examples of energy calculations in real-world scenarios.

jcamaross
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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
 
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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!
 

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