A stone falls from the top of a building and travels 142.1m in the last second before it reaches the ground. Find the height of the building
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first I have proved displacement of particle in nth second.
i.e displacement of the body in that particular second.
i.e if the body travels 6m in 4sec and it travels 9m in 7 sec then
distance traveled in 7th second is 9-6=3m.
i.e displacement of the body in that particular second.
i.e if the body travels 6m in 4sec and it travels 9m in 7 sec then
distance traveled in 7th second is 9-6=3m.
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