find the tangential component of acceleration for the curve

find the tangential component of acceleration for the curve by

Would i use this formula?

and

so i find the first prime:

second prime

magnitude

I am not sure how to further reduce the magnitude..

Am i correct so far? and would i multiple now?

Can you help me find and i will worry about

Re: find the tangential component of acceleration for the curve

Quote:

Originally Posted by

**icelated**

No, the numerator should be the *magnitude* of the cross product.

Your work looks okay so far, except that your sloppy LaTeX makes it a little hard to read (e.g., you've got vectors under radicals). Keep going.

Re: find the tangential component of acceleration for the curve

Going further

=

then,

Is this correct? and can i reduce this?

Re: find the tangential component of acceleration for the curve

Quote:

Originally Posted by

**icelated** ?

It looks like you did but what we want is