Aball is dropped from the top of a building.

when does the ball have the most kinetic energy?

a. after it has hit the ground

b. just before it hits the ground

c. as it is released

d. half way through the fall

Most energy in an ecosystem comes originally from_

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.