a body moves with a speed of 20 km per hour in 25 seconds and with the speed of 30 km per hour in the next 5 seconds then the average speed of the body is
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Answer:
Average Speed=
Total time
Total distance
=
20
X
+
30
X
X+X
=
30+20
2×30×20
=24 km/h
Explanation:
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