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Mathematics, 28.01.2020 23:49 hokamidat

Abraham throws a ball from a point 40 m above the ground. the height of the ball from
the ground level after't' seconds is defined by the function h(t) = 40t -5t. how long
will the ball take to hit the ground?

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Abraham throws a ball from a point 40 m above the ground. the height of the ball from
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