The molecules of a substance become more closely packed and move more quickly.
What is happening to the substance?

The animal derives energy from its food to maintain its body temperature.
State the energy change that takes place

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Determine the maximum r-value of the polar equation r =3+3 cos 0