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Solution 8.1a

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Revision as of 17:10, 12 April 2010 by Ian (Talk | contribs)
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In this case we have u=4i , a=09i+07j and r0=400i+350j.

Substituting these into the equation r=ut+21at 2+r0 gives the position vector of the ball at time 10 as:

r=(4i)t+21(09i+07j)t 2+1.5j=8ti+2tj5t 2j+1.5j=(8t)i+(1.5+2t5t 2)j m