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ch4aika [34]
3 years ago
15

A stone is thrown upward from ground level. With what minimum speed should the stone be thrown so as to reach a height of 49 fee

t?
Mathematics
1 answer:
il63 [147K]3 years ago
8 0
The height attained by an objects thrown from ground level is given by the equation:

v^2=u^2-2gs

At maximum height, v = 0, we assume g = 32 ft/s^2 then we have:

0=u^2-2(32)(49)\\ \\u^2=3,136\\ \\ u= \sqrt{3,136} =56

Therefore, the <span>minimum speed that the stone should be thrown so as to reach a height of 49 feet</span> is 56 feet per second.
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