Mathematics, 09.12.2020 18:00 jamesgraham577
12. A rock is tossed from a platform and follows a parabolic path through
the air. The height of the rock in metres is given by
h(t) = -512 + 12t + 14, where t is measured in seconds.
a) How high is the rock off the ground when it is thrown?
b) How long is the rock in the air?
c) For what times is the height of the rock greater than 17 m?
d) How long is the rock above a height of 17 m?
Answers: 1
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12. A rock is tossed from a platform and follows a parabolic path through
the air. The height of th...
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