A child exerts a force of 12N to shoot a rubber band across the room. If the rubber band has a spring constant of 180N/m, what is the rubber band’s displacement?

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?