Question

The vector field F has || F|| ( 11 years ago

Answer 1

start by parameterizing the path

Answer 2

for x = 4cost, y = 7sint :

\[\int_C \vec{F}\cdot d\vec{r} = \int\limits_0^{2\pi} \vec{F}(4\cos t, 4\sin t) \cdot \langle -4\sin t , 4\cos t \rangle~ dt\]

Answer 3

y=7sint? how?

Answer 4

@ganeshie8

Answer 5

typo :
for x = 4cost, y = 4sint