How many feet are in 154 centimeters
2 answers:
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The object takes 12 minutes to land on the ground.
Explanation:
Given that the equation for the object's height s at time t minutes after the launch is
We need to determine the time that it takes for the object to land on the ground.
<u>Time taken:</u>
The time t of an object can be determined by substituting
Thus, we have,
Switch sides,
Thus, we get,
Let us solve the equation using the quadratic formula.
Thus, the values of t are and
Simplifying, we get,
and
and
Since, the value of t cannot be negative, then
Thus, the object takes 12 minutes to land on the ground.