Question
Download Solution PDFIn a race, an athlete covers a distance of 312 m in 104 sec in the first lap. He covers the second lap of the same length in 52 sec. What is the average speed (in m/sec) of the athlete?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Distance of the first lap = 312 m
Time taken in the first lap = 104 sec
Distance of the second lap = 312 m
Time taken in the second lap = 52 sec
Formula Used:
Average speed = Total distance / Total time
Calculation:
Total distance = Distance of the first lap + Distance of the second lap
Total distance = 312 + 312 = 624 m
Total time = Time taken in the first lap + Time taken in the second lap
Total time = 104 + 52 = 156 sec
Average speed = Total distance / Total time
⇒ Average speed = 624 / 156
⇒ Average speed = 4 m/sec
The average speed of the athlete is 4 m/sec.
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