1) when an object changes position a) Motion b) Instantaneous Speed c) Distance d) Displacement 2) the speed at any given point in time a) Constant Speed b) Motion c) Displacement d) Instantaneous Speed 3) how far an object has traveled  a) Displacement b) Distance c) Instantaneous Speed d) Motion 4) speed that does not very a) Motion b) Distance c) Instantaneous Speed d) Constant Speed 5) distance from starting position  a) Distance b) Motion c) Constant Speed d) Displacement 6) To skate 100 meters in 20 seconds, a skater must skate at a speed of ? a) 3 m/s b) 5 m/s c) 18 m/s d) 7 m/s 7) If a runner maintains a constant speed of 12 miles per hour, how long will it take to complete a half marathon race of 13.1 miles? a) 1.09 hours b) 2.5 hours c) 25 minuets d) 47.2 minuets 8) If Joe won a 400 meter race in 40 seconds, what was his average speed? a) 100 m/s b) 10 m/s c) 40 m/s  d) 8 m/s

Describing Motion

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