Question

A sprinter in a 100m race covers 4m in first second, 30 m in next 4 seconds, 30 m in next 4 seconds and 52 m in another 4 seconds and finishes the race in 10 seconds n calculate the average velocity of the SPRINTER n in which time interval the average velocity atttained by the SPRINTER is maximum

Answer 1

sprinter obtain the maximum velocity in 8-10 second 40m
average velocity 10m/s