Kinetic and Gravitational Potential Energy

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What is the formula for kinetic energy?
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The formula for kinetic energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.
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How do you calculate gravitational potential energy?
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Gravitational potential energy (PE) is calculated using the formula PE = mgh, where m is mass, g is gravitational acceleration, and h is height.
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What are the units of kinetic energy?
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The units of kinetic energy are Joules (J).
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What factors affect kinetic energy?
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Kinetic energy is affected by an object's mass and velocity.
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What is gravitational acceleration on Earth?
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Gravitational acceleration on Earth is approximately 9.8 m/s².
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How are kinetic and potential energy related?
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Kinetic and potential energy are interconnected through energy conservation; they can transform into each other.
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What happens to kinetic energy when velocity doubles?
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If velocity doubles, kinetic energy increases by a factor of four.
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How does height affect gravitational potential energy?
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Gravitational potential energy increases with greater height.
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What is the potential energy of an object at ground level?
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At ground level, the potential energy is zero, assuming the reference point for height is the ground.
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Why is the concept of reference point important in potential energy?
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The reference point determines the baseline from which height and thus potential energy are measured.
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What is the kinetic energy of a 2 kg object moving at 3 m/s?
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The kinetic energy is 9 Joules.
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If a 5 kg object is 2 meters above the ground, what is its gravitational potential energy?
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The gravitational potential energy is 98 Joules.
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What happens to potential energy as an object is dropped?
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Potential energy converts to kinetic energy as the object falls.
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Can kinetic energy ever be negative?
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No, kinetic energy cannot be negative since it depends on the mass and the squared velocity.
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What happens to the total energy in a system when potential energy is completely converted to kinetic energy?
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The total energy remains constant; it's simply transformed.
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