A rock is thrown up from the ground at a velocity of 84 feet per second. The formula h = -16t2 + 84t gives the rock's height in
feet after t second. What is the maximum height of the rock?
1 answer:
Answer:
h = 110.24 m
Step-by-step explanation:
It is given that,
A rock is thrown up from the ground at a velocity of 84 feet per second. The formula gives the rock's height in feet after t second.
We need to find the maximum height of the rock. For maximum height put
So,
Put t = 2.62 s in the equation of height. So,
So, the maximum height of the rock is 110.24 m.
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Answer:
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Step-by-step explanation:
x+y = 36
2×x - y = 6
=> x = 36 - y
=> 2×(36 - y) - y = 6
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3y = 66
y = 22
=> x = 36 - 22 = 14
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