Ice on a car windscreen will disappear as youdrive, even without the heater on. Explain why thishappens
Question
Ice on a car windscreen will disappear as you drive, even without the heater on. Explain why this happens.
Solution
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As you drive, the car's engine generates heat. This heat is transferred to the rest of the car, including the windscreen.
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The heat transferred to the windscreen raises its temperature, causing the ice on the windscreen to melt.
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The wind generated by the car's movement also contributes to the melting of the ice. This wind increases the rate of heat transfer from the warmer air to the colder ice, causing it to melt faster.
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The melted ice, now in the form of water, is blown off the windscreen by the wind generated by the car's movement.
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As a result, the ice on the car windscreen will disappear as you drive, even without the heater on.
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