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Solution 8.1a

From Mechanics

Revision as of 12:16, 27 March 2011 by Ian (Talk | contribs)
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In this case we have u=4i and a=0.9i+0.7j

Substituting these into the equation v=u+at   gives the velocity of the jet-ski at time t=10 s as:

v=4i+(0.9i+0.7j)10

which gives

v=13i+7j  ms-1

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