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Category ( AQA Questions and Marking Scheme )

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Exam-1-For PHYSICS-301...mechanicsA car is moving at constant speed on the freeway. The driver sees a patrol car at time ti and rapidly slows down by around 10 miles per hour. After continuing at t ... his speed for a few minutes, the driver at time t2 returns to the earlier constant speed. Which graph correctly describes the car's acceleration a(t) as a function of time? Take the forward direction of motion as positive. .....A mass slides with negligible friction on a circular track of 1 m radius oriented vertically. Its speed at the position shown in the figure is 3.13 m/s. 0 At the position shown in the figure, whic arrow best represents the direction of the acceleration of the mass? The acceleration of [Show More]

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