Something I just realized I am going to be lonely on Valentine's day AGAIN. :) Now that I think about it it is not a good thing.
Ha

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

If a simple machine reduces the strength of a force, what must be increased?