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The slope of velocity time graph gives
A ball is thrown vertically upward. Ignoring the air resistance, which one of the following plot represents the velocity-time plot for the period ball remains in air?
While waiting at a metro station, a student records the motion of a train as it arrives. The velocity-time graph of the train is as follows: (a) Draw a velocity-time graph for the entire motion. (b) Calculate the total distance covered by the train. (c) Find the total time taken and the average speed of the train. (d) Identify the nature of acceleration in each phase and explain its physical meaning
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