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Recent questions tagged telegram-2417

(chatquestion)...(A) (B) 15 20 25 30 (D) 6. A train is travelling at a speed of vo. Then it decelerates uniformly during a time of t to finally stop. In one of the wagons there is a small object on the floor. The wagon long enough, so that the object does not collide with any of the walls of the wagon. l is the distance covered by the object on the floor (with respect to train) , u is the coefficient of friction between the floor of the wagon and the object. (A) Vo < ug, l = 0 If vő ugt? 4µg Vo (B) If > ug, l = t 4 Vo (C) If > µg, l = 0 Vo > µg, l = Vot 2µg (D) If A particle is projected from a given point with a given velocity v = 10 m/s and after hitting a smooth vertical wall returns to the point from which it started. The distance of the initial point from 7.

asked Jun 4, 2020 by balaji.thirumalai

1 answer

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