Physics, 05.02.2020 00:58 secondcolinmills005
Asmall rock falling from the top of a 124-ft-tall building with an initial downward velocity of –30 ft/sec is modeled by the equation h(t) = –16t2 – 30t + 124, where t is the time in seconds. for which interval of time does the rock remain in the air?
a) t = 2
b) t > –2
c) t < 2
d) t > 2
Answers: 2
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