A bus travels at speed of 20m/s for 0.2sec,at 40m/s for next 0.26sec and then 36 km/hr for next 0.30sec.what is average speed of bus.?
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Average speed= total distance covered/ total time taken
= 4m+ 10.4m+ 38.88m/ 0.2s+0.26s+0.30s
= 53.28m/ 0.86s
=61.95 m/s.
= 4m+ 10.4m+ 38.88m/ 0.2s+0.26s+0.30s
= 53.28m/ 0.86s
=61.95 m/s.
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