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IGCSE-coordinated science PHYSICS > Energy & Efficiency > Flashcards

Energy & Efficiency Flashcards

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1
Q

What is the formula for Gravitational potential energy?

A

Gravitational potential energy = Mass * Gravity * Height

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2
Q

What is the formula for Kinetic energy?

A

Kinetic energy = 0.5 * Mass * (velocity) squared

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3
Q

What is the Total mechanical energy?

A

Total mechanical energy =
Gravitational potential energy + Kinetic energy

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4
Q

If there is no friction reacting, What is the same as the Gravitational potential energy lost?

A

Kinetic energy

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5
Q

How do you measure Efficiency?

A

Useful Energy Output / Total Energy Input

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IGCSE-coordinated science PHYSICS (6 decks)

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