The movement of a train traveling on a straight track between two stations is represented in Figure adjunted to. A. Describe the movement of the train. B. Indicate how far apart the two stations are? C. Find the maximum speed the train has reached. D. Determination What has been the average speed of the train by train at the two stations?

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Abasketball star covers 2.65 m horizontally in a jump to dunk the ball. his motion through space can be modeled precisely as that of a particle at his center of mass. his center of mass is at elevation 1.02 m when he leaves the floor. it reaches a maximum height of 1.90 m above the floor and is at elevation 0.910 m when he touches down again. (a) determine his time of flight (his "hang time"). (b) determine his horizontal velocity at the instant of takeoff. (c) determine his vertical velocity at the instant of takeoff. (d) determine his takeoff angle. (e) for comparison, determine the hang time of a whitetail deer making a jump with center-of-mass elevations yi = 1.20 m, ymax = 2.45 m, and yf = 0.750 m.

What is an electric motor? explain its operation. 2-3 sentence