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lane99
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Homework Statement
A hot air balloon is ascending straight up at a constant speed of 7 m/s. When the balloon is 12 m above the ground, a gun fires a pellet straight up from ground level with an initial speed of 30 m/s. Along the paths of the balloon and the pellet there are two places where each of them has the same altitude at the same time. How far above ground level are these places?
Homework Equations
The Attempt at a Solution
dont really know how to solve this and have a test tomorrow so any help is greatly appreciated, thanks