A sheet of paper and a stone was dropped from the first floor of a building together . Which of two will reach the ground first and why ?
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Answer: Same time
Explanation:
If we consider there is no air drag and any other force other than gravity acting upon the two objects, then according to the equation of motions
Time taken to reach an object to the ground from a height h = √2h/g
where g is the gravitational force = 9.8 m/s^2
Therefore, the time taken does not depend on the mass of the particle, hence they both take same time to reach the ground from the first floor of the building.
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