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cbaublitz
19.10.2019 •
Mathematics
An object is thrown vertically upward a ball is thrown vertically upward with a speed of 26.3m/s. how high does it rise? how long does it take to reach its highest point? ; how long does it take the ball to hit the ground after it reaches its highest point? what is its velocity when it returns to the level from which it started? ; answer the distance in m, time in s, and velocity in m/s.
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Ответ:
so 0 = Vo - gt
=> t = Vo / g = 26.8 / 9.81 = 2.73 s <<<<<<<<,
2) find its highest point :
V^2 = Vo^2 - 2gh
hence h = Vo^2 / 2g = 36.6 m from its starting point
so total height = 36.6 + 2.1 = 38.7 m
applying h = Vot + 1/2 g t^2 u get :
38.7 = 0 + 1/2 (9.81) t^2
=> t = 2.8 s <<<<<<<<<
Ответ:
Money he gets from mowing = M
M - $7 - (L * $1.50) = P for 1 Week
Hope this helped :D