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| 1. |
The minute hand of a wall clock is 10 cm long . find its displacement and the distance covered from 10 am to 10:30 am . A train goes from town A to town B with a uniform speed of 40km/hr and returns back to A with a speed of 60km/hr .calculate the average speed and the average velocity for the entire journey |
| Answer» PLACEMENT of the MINUTE HAND = πr cmaverage SPEED = 50 km/hr | |