Y=-16t^2 + 486. How long will it take the stone to hit the ground? Round to the nearest hundredth of S second

Question

Mathematics

Madalyn Armstrong

3 March, 11:23

Y=-16t^2 + 486. How long will it take the stone to hit the ground? Round to the nearest hundredth of S second

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Reeve · Answer 1

Replace y with 0 and you get x = - 5.511, and x = 5.511, since time has to be positive, it takes approximately 5.51 seconds for the stone to hit the ground.