Processing Math: Done
To print higher-resolution math symbols, click the
Hi-Res Fonts for Printing button on the jsMath control panel.

jsMath

Solution 8.1a

From Mechanics

(Difference between revisions)
Jump to: navigation, search

Ian (Talk | contribs)
(New page: In this case we have <math>\mathbf{u}=4\mathbf{i}</math> , <math>\mathbf{a}=0.9\mathbf{i}+0.7\mathbf{j}</math> and <math>{{\mathbf{r}}_{0}}=400\mathbf{i}+350\mathbf{j}</math>. Substit...)
Next diff →

Revision as of 17:10, 12 April 2010

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