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odpověď |
začněte se učit
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Passengers who are riding in a car have potential energy
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zwalniać (redukować prędkość) začněte se učit
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In a crash, a car decelerates quickly.
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This causes the passengers’ potential energy to become kinetic energy
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Passengers wearing seatbelts stop.
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With non-stretching seatbelts, the passenger’s stopping distance is short.
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Stretching seatbelts increase this distance.
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Stretching seatbelts increase this distance.
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The work-energy principle shows that a slightly greater stopping distance exerts less force on passengers
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začněte se učit
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The work-energy principle shows that a slightly greater stopping distance exerts less force on passengers
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začněte se učit
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The work-energy principle shows that a slightly greater stopping distance exerts less force on passengers
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uraz, uszkodzenie, kontuzja začněte se učit
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The new seatbelts reduce injuries.
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Instead, most of the passenger’s kinetic energy transfers to the belt.
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Instead, most of the passenger’s kinetic energy transfers to the belt.
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the drawback of long stopping distances
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This causes the passengers’ potential energy to become kinetic energy.
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