During what time interval does vy become zero?
So I can't really understand what vy means, I know its a abbreviation but I need help on this problem that has a cannon shooting a cannonball horizontally and it has 3 points; the first being 1s, then 2s, then 3s which is when the ball finally reaches the ground, could you help explain this to me please?
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I suggest you repost your COMPLETE problem under the title of physics. I think it will be easier for a physics prof to answer a real rather than a hypothetical question.
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