An object accelerates from rest to a velocity of 22m/s over 35m. what was its acceleration

What happens when a rubber rod is rubbed with a piece of fur?

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.

How does changing the frequency affect the energy of the wave?