H=-16t^2+122t+5 where h is height in feet and t is time in seconds. How long will it take the baseball to hit the ground? h=-16t
^2+162t+0.2 where h is height in feet and t is time in seconds. How long will it take the golf ball to hit the ground?
1 answer:
Answer:
Step-by-step explanation:
Solving (a):
Required: Time to hit the ground
This means that H = 0
So, we have:
Rewrite as:
Solve for t using:
Split:
or
or
or
Time can not be negative. so:
Solving (b):
Required: Time to hit the ground
This means that h = 0
Rewrite as:
Solve for t using:
or
or
Time can not be negative. So:
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