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A person is initially driving a car east down a straight road. The magnitude of the instantaneous acceleration remains constant with time, and the direction of the acceleration is always to the west. The speed of the car is O decreasing but then increasing O increasing O increasing but then decreasing O constant. O decreasing.
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed 7.39 m/s. The stone subsequently falls to the ground, which is 16.9 m below the point where the stone leaves your hand. At what speed does the stone impact the ground? How much time is the stone in the air? Ignore air resistance and take g 9.81 m/s2. (This is NOT a suggestion to carry out such an experiment!) Impact speed: Number m/s Elapsed time: Number
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divachon t mohom ta cay.so its sreed decreasir Dis pla (ennem t-S= -16.9 (-739)%4(4,965)(-164)-739土19,65 2 (4.g0s 9,8 27.04 -2.1 56 q el フ,39 t (-9,81) (2-756)二7-39-27 04 19.65 mls vo v=

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