Thermal energy depends on an object’s
a. mass.
b. phase (sold, liquid, or gas).
c. temperature.
d. all of the above

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?