An athlete starts running from rest. he accelerates uniformly and complete 100m. race in 10 sec. find his acceleration.
Answers
Answered by
56
Using Newtons' second equation of motion,
i.e, s=ut+1/2(at²)
∵u=0
∴s=1/2at²
100×2=a(10)²
∴a=2
i.e, s=ut+1/2(at²)
∵u=0
∴s=1/2at²
100×2=a(10)²
∴a=2
Answered by
28
As the distance traveled by the body is 100m
So
100=1/2at^2
200=a*100
a= 2m/sec^2
So
100=1/2at^2
200=a*100
a= 2m/sec^2
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