A body move at a speed of 100m/s for 10sec and then move at speed of 200m/s for 20sec along the same direction calculate the average speed
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1st distance=100×10=1000m
2nd distance=200×20=4000m
total distance=5000m
total time=30sec.
average speed=5000/30=166.6m/sec.
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1st distance=100×10=1000m
2nd distance=200×20=4000m
total distance=5000m
total time=30sec.
average speed=5000/30=166.6m/sec.
hope
it helps
please
mark as brilliant
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