Question 404486
A sprinter accelerates from rest to 10.0m/s in 1.35s. 
What is the acceleration:
 (a) in m/s^2
a = {{{(10 - 0)/1.35}}} = 7.4 m/s^2
:
(b) in km/h^2?
Convert 10 m/s to km/hr
{{{(3600*10)/1000}}} = 36 km/hr
:
a = {{{(36 - 0)/1.35}}} = 26{{{2/3}}} km/sec^2