Created by StemPy LabFrom the same balcony, at the same moment, Ravi drops a ball and Sana throws an identical ball horizontally. A student says: Sana's ball takes longer to reach the ground, because it travels farther. Ignoring the air, what is the mistake?
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← A boat moves at 4 m/s in still water. Its rower keeps it pointing straight across a river that flows at 3 m/s, as the figure shows. How fast does the boat move over the river bed, and in which direction?A toy drone flies in a vertical plane so that its position is x = 2t and y = t², in metres, with t in seconds. At t = 1.0 s, its velocity has →
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