Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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A person standing at the edge of a cliff throws a rock upward from a height of 220 ft above ground level with an initial velocity of 48 ft/s. Calculate the velocity of the
rock when it is exactly 32 ft above the person's hand. Separate multiple answers with a comma. (Hint: Use h(t) = - 16t² + 48t + 220 as the position function,
where h is in feet, t in seconds. Ignore air resistance.)
Answer
ft/s
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Transcribed Image Text:A person standing at the edge of a cliff throws a rock upward from a height of 220 ft above ground level with an initial velocity of 48 ft/s. Calculate the velocity of the rock when it is exactly 32 ft above the person's hand. Separate multiple answers with a comma. (Hint: Use h(t) = - 16t² + 48t + 220 as the position function, where h is in feet, t in seconds. Ignore air resistance.) Answer ft/s Keypac Keyboard Shortcu
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