Answer:
what will happen to the sound is the wavelength increases thus frequency decreases so the sound decreases as he move away from her car..
110 grams
mass of salt + mass of water
10 + 100
110g
Answer:
the sum of potential and kinetic energy
Explanation:
Mechanical energy is found in machines and humans.It is a sum of kinetic energy and potential energy.Mechanical energy is constant
I think it’s the second one: magnetic domains must come in pairs—one north and one south