Kinetic energy and Potential energy

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Homework Help Overview

The discussion revolves around the concepts of kinetic energy and potential energy, specifically in the context of a vehicle slowing down and the energy generated from this deceleration. The original poster presents a scenario involving a vehicle weighing 2.8 tons that slows from 100 km/h to 50 km/h, questioning how much energy can be generated and how high this energy could allow the vehicle to climb.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the relationship between kinetic energy and potential energy, considering how the reduction in velocity affects kinetic energy and how this energy might be converted into gravitational potential energy. There are inquiries about deriving an equation to relate the change in elevation to the initial and final velocities.

Discussion Status

Some participants have offered insights into the equations governing kinetic and potential energy, suggesting that the energy lost during deceleration could be converted into height gain. However, the discussion does not reach a consensus, as one participant claims to have solved the problem without detailing the process.

Contextual Notes

The original poster's question includes assumptions such as ignoring friction, which may affect the energy calculations. Additionally, there is a repeated request for clarification on the total energy equation, indicating a potential gap in understanding that is being addressed in the discussion.

omni
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Vehicle with a weight 2.8 ton Slowing from 100 km/h to 50Kkm/h how much energy can was generate from this Slowing.
(if we Ignore form Friction )
and to which Height this energy was can Climb up the Vehicle Up the hill

thanks.
 
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Consider the equation for kinetic energy. If the velocity is reduced, the kinetic energy is reduced. This energy must go somewhere. Assume it is stored. Now think about the formula for gravitational potential energy. Could this stored energy be transferred to increasing the elevation of the car? Can you derive an equation of the increase in elevation of the car as a function of the initial and final velocities?
 
omni said:
Vehicle with a weight 2.8 ton Slowing from 100 km/h to 50Kkm/h how much energy can was generate from this Slowing.
(if we Ignore form Friction )
and to which Height this energy was can Climb up the Vehicle Up the hill

thanks.

Do you know the equation for the Total Energy of an object in terms of its Kinetic Energy and Potential Energy? That's the equation that you use to figure out this question.
 
yes thanks to both of you i solve it. :)
 

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