Find the particle's velocity and acceleration vectors. Then find the particle's speed and direction at the given value of t. Write the particle's velocity at that time as the product of its speed and direction

Question

usukidoll · Answer

r(t) = (1+t)i +t^2/radical j t^3/3k t=1

usukidoll · Answer

attachment

usukidoll · Answer

@experimentX

usukidoll · Answer

@hartnn

usukidoll · Answer

CRUD forgot to do my a(t) faul!!

usukidoll · Answer

oh wait I see it... it's 2/radical 2 j + 2tk

experimentx · Answer

how do you put this up
$$ r(t) = (1+t) \hat i +\sqrt 2 \hat j +  {t^3\over 3} \hat k $$

experimentx · Answer

also try learning latex http://www.codecogs.com/latex/eqneditor.php

usukidoll · Answer

see attachment... I wrote it on paper

usukidoll · Answer

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