The waste products of combustion leave the internal combustion engine through the
a. cylinder.
b. intake valve.
c. crankshaft.
d. exhaust valve.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?