Asked by gabriella

a stone is thrown vertically upwards with an initial velocity of 14m/s .neglecting air resistence , find time taken before it reaches the ground .
Answered by oobleck
it hits the ground when the height is zero, right? So just solve
14t - 4.9t^2 = 0
assuming it was thrown from the ground ...
Answered by vickky
I don't under stand what you wrote it is confusing
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