bobby3350
29.06.2019 •
Mathematics
The height h of an object projected upward from the floor of the golden gate bridge which has an initial height of 220 feet and with an initial velocity of 30 feet per second is given by h=-16t^2+30t+220. how many seconds later will the rock hit the water? round to the nearest tenth. ! : (
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Ответ:
7.3
Step-by-step explanation:
time is distance divided by velocity/speed
t = 220/30
t = 7.33333 = 7.3
Ответ:
Ответ:
what
Step-by-step explanation: