- #1
dance_sg
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Homework Statement
At an altitude of 315 m above a lake, a hot-air balloon pilot drops a 2.50 kg sandbag. If the bag comes to a stop 4.50 m below the surface of the lake, what force was applied by the water on it?
Homework Equations
f=ma, d=df-di
The Attempt at a Solution
im kinda completely lost about what to do for this question, so i tried just multiplying the mass by gravity. i could also try finding displacement , but i don't know what to do after if i did that.