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Name: Andrea
Gender: Female
Location: México

Posts: 3,691
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Join Date: January 17th 2009

Re: My oh my... Help me with Physics! - October 5th 2009, 01:13 AM

You can use F=MA, using it you find the acceleration

A= F/M = 4.9 × 10^3/5.0 = 9.8 × 10^4m/s

and from V=AT we find time
T= V/A = 4.0 x 10^3/ 9.8 x 10^3 = 0.041s

I think that's how you do it.



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