conversion of energy (mechanical energy and kinetic energy)

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Physics

Kindergarten

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6 Terms

1
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kinetic energy

  • energy an object has due to motion

  • work needed to accelerate a body of mass from rest to its stated velocity

  • gained energy from acceleration

  • maintains until speed changes

  • depends on mass and speed

2
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kinetic energy formula

  • Ek = 1/2mv2

  • Ek = kinetic energy (J)

  • m = mass (kg)

  • v2 = velocity squared (m/s)

3
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mass formula

  • m = Ek/ (½)(v2)

  • m = mass

  • Ek = kinetic energy

  • v2 = velocity squared

4
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velocity formula

  • v2 = √2Ek/m

  • m = mass

  • Ek = kinetic energy

  • v2 = velocity squared

5
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mechanical energy

total energy of an object due to an object's motion and position

6
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mechanical energy formula

  • Em = Ep + Ek

  • Em = mgh + 1/2mv2

  • Em = mechanical energy (J)

  • Ep = gravitational potential energy (mgh) (J)

  • Ek = kinetic energy (1/2mv2) (J)