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Mathematics, 04.05.2020 23:50 dootdootkazoot

The motion of a ball scooped by a field hockey player can be modeled by
h=-16t^2 + 40t, where t is the time in seconds and h is the height of the ball. At what time
will the ball hit the ground?
Show work please. I don’t understand this.

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The motion of a ball scooped by a field hockey player can be modeled by
h=-16t^2 + 40t, where...
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