Physics, 10.10.2019 19:30, aylinkayla

Apaper weight is dropped from the roof of a block of multi story flats. each storey being 3 metre high. it passes the ceiling of the 20th storeys at 30m/sec. if g = 10.0m/sec^2, how many storeys does the flat have.

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Apaper weight is dropped from the roof of a block of multi story flats. each storey being 3 metre hi...