If a stone that weighs 2 kilograms free falls for 5 seconds what will it's speed be?

Answer 1

The speed of a free falling bodies is independent to its mass when the air resistance is not considered.

Formula

Vf=Vi + gt
Vf final velocity (what is asked)
Vi initial velocity ( equal to zero, free fall)
g acceleration due to gravity (9.8 mper second squared)
t time travel.

Vf = 0 + 9.8 * 5
Vf = 49 m/s

Answer 2

If the stone is on earth, acceleration due to gravity is 9.8 m/sec/sec. so the stone would have a speed of
5 x 9.8 = 49 m/sec

Answer 3

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