Posts by Frederic

Total # Posts: 4

Math, Precalc
I understand how to do it but am having trouble with the mathematical aspect. I have redone the problem quite a few times but keep getting stuck. Could you help?

Math, Precalc

A block (weight= 10kg) is sitting on a surface with friction (coefficient= 0.5). A force (push) is applied to the end of the block, 35 degrees below the horizontal. Calculate the magnitude of the force to move the block.

How much energy is required to raise 1 gram of water from -15 C to 110 C?