What part of the atom takes up most of the atoms space? The atom

The electron cloud

The nucleus

The bottom part

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

Which composition of water moves to begin a deepwater current?

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)