definitions Flashcards
1
Q
Displacement
A
is the overall change in position of an object.
2
Q
Initial velocity
A
is the velocity at the beginning of the motion.
3
Q
Final velocity
A
is the velocity at the end of the motion.
4
Q
Acceleration
A
is the rate of change of velocity.
5
Q
Projectile:
A
object upon which the only force acting is the force of gravity
6
Q
Free fall:
A
motion of an object under the influence of the force of gravity only
7
Q
A mole
A
is the amount of substance containing the same number of particles