Prove that the vectors A = 2i - 3j + k and B = i+ j+ k are

mùtually perpendicular

The consumption of fossil fuels could be

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?

Abig box of sausages (30 kg) are lifted from the ground to the top shelf of the freezer. if the box is lifted at a constant speed, a distance of 1.75 m, what work is done by gravity?