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yoojayypee1236
12.11.2020 •
Mathematics
A golf ball is hit with an initial velocity of 80 ft/sec.Use the equation h(t)=80t-16t^2 where h(t) is the height of the object in feet and t is the time in seconds. How long will it take for the ball to hit the ground?
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Ответ:
The ball takes 5 seconds to hit the ground
Step-by-step explanation:
The equation to model the height of a golf ball in time t is:
There are two moments when the height is zero: At launch time and when it hits the ground. To find the last time, we equate:
Factoring out t:
It gives us two solutions:
t=0
Solving:
t = 5 sec
Thus, the ball takes 5 seconds to hit the ground
Ответ:
Deanna’s mean quiz score is approximately is 90.93 Amy’s mean quiz score is approximately is 90.27
Step-by-step explanation:
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