Which of the following measures the total kinetic energy of the particles in a substance?
a. mass
b. entropy
c. enthalpy
d. temperature

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

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

You are your friend move a new refrigerator into his kitchen. you apply a horizontal force of 252 n in the negative x direction to try and move the 56 kg refrigerator. the coefficient of static friction is 0.61. (a) how much static frictional force does the floor exert on the refrigerator? give both magnitude (in n) and direction. magnitude n direction (b) what maximum force (in n) do you need to apply before the refrigerator starts to move?