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Mathematics, 20.10.2019 07:30 mprjug6
Afirecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per second. using the formula h(t) = −16t2 + vt + s, approximately how long will it take the firecracker to hit the ground?
a: five seconds
b: seven seconds
c: nine seconds
d: 11 seconds
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Afirecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per second. usin...
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