A motorcycle drives from place A to B with the uniform motion speed 30km/h returns from B to A with uniform motion speed 20km/h?
Find the average speed ?
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Answered by
1
Answer:
In both cases, distance = x
Total distance covered = 2x
Time in first case = distance/ speed
= x/ 30
Time in second case = x/ 20
Total time = x/20+x/30
5x/60= x/12
Average speed = total distance / total time
= 2x / x/12
= 2x × 12/x
24km/h
Answered by
0
Answer:
aao jaldi jaldi h
Explanation:
cfi-soxp-agu
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