Kinetic Energy (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes

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Kinetic Energy
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What is kinetic energy?

Energy stored in moving objects

How much kinetic energy do stationary objects have?

No kinetic energy

What is the formula for kinetic energy?

Ek=12×m×v2E_k = \frac{1}{2} \times m \times v^2

What is the unit for kinetic energy (EkE_k)?

Joules (J)

What is the unit for mass (mm) in the kinetic energy formula?

Kilograms (kg)

What is the unit for speed (vv) in the kinetic energy formula?

Metres per second (m/s)

A car converts chemical energy from petrol into which energy store?

Kinetic energy

Calculate the kinetic energy of a 2 kg object moving at 3 m/s.

9 J

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