1 A) acceleration B) instantaneous speed C) overall speed D) average speed 2 A) negative B) positive C) instantaneous D) constant 3 A) slopes upward B) remains constant C) goes to zero D) slopes downward 4 A) goes faster B) stops completely C) continues to move at a constant velocity D) slows 5 A) explosive B) solid C) elastic D) inelastic 6 A) changing B) zero C) negative D) positive 7 A) energetic B) inelastic C) explosive D) elastic 8 A) distance and direction B) direction and speed C) mass and volume D) distance and speed 9 A) the average speed B) unable to be measured C) different D) 0 m/s 10 A) Acceleration B) Velocity C) Displacement D) Speed 11 A) momentum = velocity/mass B) momentum = mass/velocity C) momentum = mass x velocity D) momentum = weight x speed 12 A) less than the original velocity of the moving object B) more than the original velocity of the moving object C) the same as the original velocity of the moving object D) zero 13 A) average speed B) acceleration C) speed D) instantaneous speed 14 A) initial speed from final speed B) velocity from distance C) final time from initial time D) final speed from initial speed 15 A) slowing down B) displacing C) speeding D) accelerating 16 A) conservation B) friction C) momentum D) elasticity 17 A) matter B) momentum C) mass D) inertia 18 A) x-axis B) vertical axis C) z-axis D) y-axis 19 A) 2 000 m/s B) 50 m/s C) 5 m/s D) 200 m/s 20 A) velocity B) speed C) instantaneous speed D) average speed
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