A girl thows a ball horizontally from a roof 10 meters high. If its air resistance is negligible how is the vertical velocity of a ball related to it horizontal velocity?
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The girl throws the ball horizontally, which means the initial vertical velocity is zero. Show more…
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At a particular instant, a hot air balloon is $100 \mathrm{m}$ in the air and descending at a constant speed of $2.0 \mathrm{m} / \mathrm{s} . \mathrm{At}$ this exact instant, a girl throws a ball horizontally, relative to herself, with an initial speed of $20 \mathrm{m} / \mathrm{s}$. When she lands, where will she find the ball? Ignore air resistance.
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