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Posted by **Michael** on Monday, January 10, 2011 at 9:59am.

89.2 km/h? (Disregard friction.) Answer in units of s.

- Physics -
**drwls**, Monday, January 10, 2011 at 10:22amThe acceleration rate with that force acting is

a = F/m = 0.0417 m/s^2

89.2 km/h = 24.78 m/s is the speed you with to attain.

Solve this equation for the required time, t:

(1/2) a t^2 = 24.78 m/s

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