Thread: Polar coordinates

hi, i need help with this question

using speherical polar coordinates
verify that the vector is solenoidal i.e. , how do i express in vector form, and how do i go about answering this question

Originally Posted by iLikeMaths

hi, i need help with this question

using speherical polar coordinates
verify that the vector is solenoidal i.e. , how do i express in vector form, and how do i go about answering this question

F is already in vector form. is the radial unit vector ......

Go to your formula for the cross product in spherical coordinates and substitute the component of F. You should get the 0 vector as the answer.