Which statement describes the kinetic energy of a particle?

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

Achild has maximum walking speed of 1.6 m/s. what is the length of the child's legs? 0.26 m

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.