A stone is thrown vertically upwards from a point that is 12 m above the sea. It then falls into the sea below after 3.4s.
Air resistance is negligible.
At which speed was the stone released when it was thrown?
A 3.5ms B 6.6ms- C 13ms- D 20ms

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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b

explanation:

bc its just b

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out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

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