Which of the following could be described as "energy cannot be created or destroyed ,only converted into other forms"?

a. rebound-crumple theorem

b. impulse-momentum theorem

c. law of conservation of energy

d. law of conservation of momentum

What is the measure of a change in an objects velocity?

M1 = 2.8 kg, m2 = 6.72 kg, m3 = 11.2 kg, byas in .is ,is .toof m3 it 0.91 m. (in m/s)

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not