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The diagram below shows the x-y position of a object every 4 seconds starting att O. The distance between gridlines is 10 meters What is true of the x acceleration? it is negative What is true of the y acceleration? ISelect What is the best estimate of the y-velocity at t-10s? Select Please remind yourself how to represent velocities and accelerations on motion diagrams 16 12 D Question 3 A car travels around a circular racetrack at a constant speed. Which statement is true about the direction of the acceleration? O It has a component toward the center of the circle and a component parallel to the velocity O It is zero since the speed is constant O It is perpendicular to the velocity and away from the center of the circle O It is in the same direction as the velocity. O It is opposite the direction of the velocity O It is perpendicular to the velocity and toward the center of the circle both questions
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