A stone was thrown straight up from the roof of the building with an initial speed of 20.0m/s. If the roof of the building is 50.0m above the floor Find the time when the stone floats to the maximum.
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Answer:
2.5 sec
Explanation:
we need to find the time so we need to use the formulae
time =distance/speed
so we need to 50.0÷20.0=2.5
therefore 2.5 sec
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