
Derivation for Kinetic Energy equation

Equation for Kinetic energy

KE: The energy an object has when its moving
A body travelling with a speed of 12 m s-1?has kinetic energy 1650 J.If the speed of the body is increased to 45 m s-1, what is its new kinetic energy?

When using the kinetic energy equation, note that only the speed is squared, not the mass or the ?.If a question asks about the ‘loss of kinetic energy’, remember not to include a negative sign since energy is a scalar quantity.
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