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Senjai
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[SOLVED] Kinetic Energy Formula Expansion / Wnet relation.
I was given two formulas for Kinetic Energy from my physics teacher, can anyone explain were they derive from? I like to know were they come from, not just how to use them
[tex]E_k = \frac{1}{2}mv^2[/tex]
[tex]W_{net} = \Delta E_k[/tex]
[tex]\Delta E_g = mgh[/tex]
none, i just would like to know were they come from, i know they have to come from some formula i already know. How does Work done by a net force differ from work done by an arbitrary force?
[tex]W_{net} = ( \frac{1}{2}m_1v_2^2) - ( \frac{1}{2}m_1v_1^2) [/tex] << is that right and how does work equal energy?
Homework Statement
I was given two formulas for Kinetic Energy from my physics teacher, can anyone explain were they derive from? I like to know were they come from, not just how to use them
Homework Equations
[tex]E_k = \frac{1}{2}mv^2[/tex]
[tex]W_{net} = \Delta E_k[/tex]
[tex]\Delta E_g = mgh[/tex]
The Attempt at a Solution
none, i just would like to know were they come from, i know they have to come from some formula i already know. How does Work done by a net force differ from work done by an arbitrary force?
[tex]W_{net} = ( \frac{1}{2}m_1v_2^2) - ( \frac{1}{2}m_1v_1^2) [/tex] << is that right and how does work equal energy?
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