A particle travel 10 metre with speed 5 metre per second 50 metre with speed 10 metre per second and 21 metre with 7 metre per second the average speed of particle is in metre per second
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Answer:
Avg speed total distance / total time
Total distance is 10+21+50
Total time is 10/5+50/10+21/7
Which is 10 sec
So
Avg speed is 81/10 that is 8.1
Explanation:
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