SOLUTION: A sprinter accelerates from rest to 10.0m/s in 1.35s. What is her acceleration (a) in m/s^2 and (b) in km/h^2?

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Question 404486: A sprinter accelerates from rest to 10.0m/s in 1.35s. What is her acceleration (a) in m/s^2 and (b) in km/h^2?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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A sprinter accelerates from rest to 10.0m/s in 1.35s.
What is the acceleration:
(a) in m/s^2
a = %2810+-+0%29%2F1.35 = 7.4 m/s^2
:
(b) in km/h^2?
Convert 10 m/s to km/hr
%283600%2A10%29%2F1000 = 36 km/hr
:
a = %2836+-+0%29%2F1.35 = 262%2F3 km/sec^2