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Mathematics, 11.11.2019 05:31 hdjsjfjruejchhehd

Atrebuchet launches a projectile from ground level on a parabolic arc at a velocity of 40 feet per second. the equation h = -16t^2+40t models the projectiles height at t seconds. how long will it take for the projectile go hit it’s target on the ground?

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Atrebuchet launches a projectile from ground level on a parabolic arc at a velocity of 40 feet per s...
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