Speed = distance/time S=d/t
S = 4m/2s
S= 2 m/s
Velocity = speed and direction
V=2 m/s to the right

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

J. j. thomson’s experiment disproved the theory that an atom