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A cart is propelled over an xy plane with acceleration components ax = 7.0 m/s2 and ay = -2.0 m/s2. Its initial velocity has components v0x = 8.0 m/s and v0y = 14 m/s. In unit-vector notation, what is the velocity of the cart when it reaches its greatest y coordinate? v = ( i + j ) m/s

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