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A7.7 - Kinetic and Potential Energy

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✅EvaluateQuestion 1 of 21

Kinetic energy is the energy an object has because it is

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✅EvaluateQuestion 2 of 21

Which formula is used to calculate kinetic energy?

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✅EvaluateQuestion 3 of 21

Which situation shows gravitational potential energy?

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✅EvaluateQuestion 4 of 21

What unit is used for both kinetic and potential energy?

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✅EvaluateQuestion 5 of 21

Potential energy is best described as energy

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✅EvaluateQuestion 6 of 21

Which quantity is needed to calculate gravitational potential energy change?

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✅EvaluateQuestion 7 of 21

Elastic potential energy is stored when an object is

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✅EvaluateQuestion 8 of 21

A 2 kg ball moves at 5 m/s. What is its kinetic energy?

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✅EvaluateQuestion 9 of 21

Doubling the speed of a car increases its kinetic energy by a factor of

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✅EvaluateQuestion 10 of 21

A book of mass 3 kg is lifted 2 m. Taking g = 10 m/s², what is ΔEp?

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✅EvaluateQuestion 11 of 21

Which example involves elastic potential energy?

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✅EvaluateQuestion 12 of 21

Why does a fast-moving vehicle require a longer braking distance?

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✅EvaluateQuestion 13 of 21

Which energy conversion occurs as a mango falls from a tree?

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✅EvaluateQuestion 14 of 21

Mechanical energy is the total of

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✅EvaluateQuestion 15 of 21

A cyclist doubles his speed. How does his kinetic energy change?

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✅EvaluateQuestion 16 of 21

A 4 kg object falls freely from rest. Ignoring air resistance, what happens to its mechanical energy?

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✅EvaluateQuestion 17 of 21

Which situation best demonstrates conservation of mechanical energy?

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✅EvaluateQuestion 18 of 21

A mass is lifted and then released. At the highest point, the object has

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✅EvaluateQuestion 19 of 21

Why is kinetic energy more sensitive to speed than mass?

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✅EvaluateQuestion 20 of 21

A stone swings on a string. At the lowest point of its motion, it has

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✅EvaluateQuestion 21 of 21

A student claims energy is lost when a pendulum slows down. Which explanation is correct?

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✅EvaluateQuestion 1 of 21

Kinetic energy is the energy an object has because it is

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