we release an object from (H). how it longs to arrive on the earth? :?: please suggest me a formula for this problem.
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we release an object from (H). how it longs to arrive on the earth? :?: please suggest me a formula for this problem.
Your object will move at a uniform acceleration from a standing start. The formula for distance travelled in this way is
where is the acceleration ( in your case), is distance and is time.
Now take this formula, assume , and find the time.
Good luck, Leszek.