a body goes 300 metre in 10 minutes and comes back 100 metre in 5 minutes. what will be its average velocity and average speed?
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Answer:
av. speed = total d/ total s
= 300+100/10+5
=400/15
convert min into sec
400/900
=0.44 m/s
av. velocity = total displavement / total time
= 300-100/900
200/900
=0.22 m/s
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