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Speed, Velocity, and Acceleration

Speed, Velocity, and Acceleration Answer Key

 1 Average speed equals: Distance/ Time Time/ Distance Distance + Time 2 Velocity is the: measure of time and distance measure of space and time measure of speed that is constant measure of speed in a certain direction 3 What information is required in order to measure speed? time and distance velocity and time distance and velocity momentum and time 4 This describes how far an object moves during a certain amount of time. velocity magnitude average speed 5 Acceleration refers to increasing speed decreasing speed changing direction all of the above 6 An object will not change its velocity if a force acts upon it. True False 7 What does a car's speedometer measure? Speed Velocity Both 8 The slope of a distance-time graph correlates to: acceleration time distance velocity 9 Calculate the average speed of a bicycle that travels 100m in 20 s. 5m/s 10 If you speed up from rest to 12 m/s in 3 seconds, what is your acceleration? 4m 4 m/s/s 36 m 36 m /s/