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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

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

Minute hand will works as radius and make a circle of radius 10cm Displacement is given by=2r=20cm Distance is given by =πr=22/7x10=3.14x10=31.4cm first distance covered by speed=40km/hr second distance covered by speed=60km/hr Average is given by=s1+s2 2 60+40 =50km/hr 2