Recent content by orionj

Any ideas?

The output voltage of a 74 W transformer is 13 V, and the input current is 34 A. By what factor is the voltage multiplied? V_{s} ------=? V_{P} Honestly I am not sure exactly where to start in solving this problem.

Out of curiousity, what then would be the setup for Fj and Fk?

I keep trying to do the cross product, then adding the vectors together and the third vector never seems to work out right.

I got the answers 1.715*10^{-16}\hat{i} -2.195*10^{-16}\hat{j} -7.98*10^{-17}\hat{k} and the homework program told me to check my signs, and told me I was incorrect. What did I do wrong?

I would say I am a bit rusty when it comes to vectors, I did attempt to do the basic vector addition and the answer I imputed the online homework application disliked lol.

Homework Statement A proton moves through a region of space where there is a magnetic field \vec{B}= (0.61\hat{i} + 0.36\hat{j}) T and an electric field \vec{E}= (2.8\hat{i} - 4.3\hat{j}) *10^{3} V/m. At a given instant, the proton's velocity is \vec{v}= (6.3\hat{i} + 2.9\hat{j} -...