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A sheet of paper and a …

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A sheet of paper and a stone was dropped from the first floor of a building together. which of the two will reach the ground first and why ?
  • 2 answers

Yogita Ingle 5 years, 3 months ago

Take a sheet of paper and a stone. Dropthem simultaneously from the first floorof a building. Observe whether both ofthem reach the ground simultaneously.•We see that paper reaches the groundlittle later than the stone. This happensbecause of air resistance. The air offersresistance due to friction to the motionof the falling objects. The resistanceoffered by air to the paper is more thanthe resistance offered to the stone.

Sonali Pal 5 years, 3 months ago

Which isotope of hydrogen atom have same number of electron , proton and neutron and how much is the number
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