A man walks on a straight line from his home to the market 2.5 km away with a speed of 5 km finding the market closed he instantaneously turns and walks back home with a speed of 7.5 km per hour what is the magnitude of average velocity and average speed of the men over the interval of time 0 to 3002 50 and 0 2 XL
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average velocity = 0 (displacement is zero)
2. from 0 to 30 minute
Average speed = 2.5 / 30/60
=5km/hr
3. from 0 to 50 minute.
2.5 + 2.5/50/60 =6 km/hr
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