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Homework Statement
A hot-air balloonist, rising vertically with a constant velocity of magnitude v = 5.00 m/s, releases a sandbag at an instant when the balloon is a height h = 40.0 m above the ground. After it is released, the sandbag is in free fall. For the questions that follow, take the origin of the coordinate system used for measuring displacements to be at the ground, and upward displacements to be positive.
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What is the greatest height above the ground that the sandbag reaches?
The Attempt at a Solution
I would logically think that the greatest height above the ground that it reaches is 40m, as that's when it gets released.
The feedback I got this incorrect answer is to recheck calculation, or that I may have made rounding errors or sig figs.
and if I do it algebraically: it would look something like this ::
vx = vo + at
40.0 + (-9.8) (0)
= 40.0