73. 14. 15. A boy walks a distance 30 m in 1 minute and another 30 min 1.5 minutes. find his average speed in m/s
Answers
Answered by
0
Answer:
To calculate the average speed =total distance travelled/time taken
Step-by-step explanation:
1st boy speed=30/1=30m/s
other boy=30/1.5=20 m/s
Answered by
1
Answer:
Total distance = 30m + 30m = 60m
Total time = 60 sec + 90 sec = 150 sec
Average speed = Distance/time
= 60m/150sec
= 6/15 m/sec
= 2/5 m/sec
= 0.4 m/sec
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