@Spinnor --thank you! I figured out what was wrong --both my values for heat of fusion and heat of vaporization were wrong --I had to multiply them each by 103 to get the right answer, whoops! Thanks for the help though!
thanks so much for all your help!
i used the distance formula for 3 dimensions and get 5.9096 * 10-10 to be the final magnitude.
We've only covered a bit of unit vectors in math, and we haven't touched them at all in physics, so how would I use them to find the direction?
When it's just 2...
Homework Statement
A cube has an edge length of 2.0m. At each corner there is a different spherical mass. The masses are 1kg, 2kg, 3kg, 4kg, etc. u to 8kg. They Coordinate system: 1kg is at the origin and the 4kg, 2kg, and 8kg masses lie on the positive x, y, and z axis respectively. What...