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A particle moves 100m with a speed, 2m.s-¹ and then next200m with a speed, 3m.s-¹. Find its average speed. Steps plz. |
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Answer» Answer: in the first 100 m , time=d/s=100/2=50 sec in the NEXT 200m , time=d/s=200/3=66.6 sec now, AVG speed= total DISTANCE/ total time= 200+100/50+66.6 =300/116.6=2.5 m/s .. is the ANS Explanation: |
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