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A stone is thrown up with a velocity of 39.2 at an angle of 30° above the horizontal find at what times, it will be at a height of 14.7
9 years ago

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Steve
just solve

(39.2 sin 30°)t - 1/2 gt^2 = 14.7

You haven't specified the units, so I don't know what value g has.
9 years ago

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