question no 2 plz ansmy q.
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Planes glass sheets because in plane glass surface there occur less friction due to less number of irregularities un surface where as in newspaper and wollen clothes there are large number of irregularities so friction is more.
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Answer:
The ball would cover the most distance in case of plane glass sheet.
Explanation:
This is because, the plane glass sheet has a more smooth surface i. e. it has little depressions in it to form joints. So, it would require less force to over come the frictional force in case of glass rather than the other 2 mediums.
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