janeeee114 janeeee114

15-09-2022
Mathematics

contestada

1A ball is launched vertically upward at 19.6
meters per second from a 102.9 meter tall
building. The height of the ball is modeled by the
function f(t) = -4.0t² + 19.6t + 102.9. How many
seconds after launch does the ball strike the
ground?

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