Question

Acceleration is best defined as the rate of change of __________ of an object. A. position B. force C. speed D. velocity 2. Which of the following describes acceleration? A. s/m B. m/s C. m/s2 D. m2 3. Which of the following is the main difference between speed and velocity? A. Speed has direction and velocity B. Speed is measured over time C. Velocity has both speed and direction D. Speed is constant

Answer 1

Acceleration is the rate at which an object changes its' velocity. It's measured in m/s^2
D.
C.
velocity is the rate of change of an objects position.
C. velocity has speed and direction
(speed does not have direction)

Answer 2

velocity!
Hope this helps!