Explain the reason that why the tyres are always black in colour. Is this phenomena related to the heat conduction.
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When tyres are made the carbons is mixed so it work for longer time and get strong
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Answer:hii ....here is your answer.......
according to this formula..........we know that radius of the earth is inversely proportional to the acceleration due to gravity if radius increase acceleration due to gravity decrease and if radius decrease is acceleration due to gravity is increased .......
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