Jawabanmu

Jawaban paling cerdas!
2014-08-25T00:54:36+07:00
r=(8t^2-5t+2)i+(16t-6t^2)j \\ V= \frac{dr}{dt}  \\ V=(16t-5)i+(16-12t)j \\  \\ t=2sekon :
 \\ V(2)=(16(2)-5)i+(16-12(2))j \\ V(2)=27i-8j
Semoga Membantu Ya :D
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