# Motion Question Preview (ID: 750)

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Speed, Velocity, Accleration, Graphing, Scientific Method.

**125 millimeters is equal to how many decimeters?**

a) 12500 dm

b) 1.25 dm

c) 12.5 dm

d) .125 dm

**Which of the following is an inference?**

a) The sun is out today.

b) The dog is brown.

c) My house is in Naperville.

d) It looks cold outside.

**What is the difference between velocity and speed?**

a) Speed includes direction.

b) Velocity describes how fast something is going.

c) Velocity includes direction.

d) There is nothing different.

**2.35 kg is equal to how many cg?**

a) 0.0000235 cg

b) 235000 cg

c) 23500 cg

d) 0.000235 cg

**The speed of an object at a specific point in its journey is called**

a) instantaneous speed

b) acceleration

c) average speed

d) diplacement

**A rocket sled accelerates from 10 m/sec to 50 m/sec in 2 seconds. What is the acceleration of the sled?**

a) 20 m/s

b) -20m/s2

c) 20 m/s2

d) None of the above

**In 0.5 hours, a bicyclist traveled 20 kilometers. What was the bicyclistвЂ™s average speed?**

a) 10 km/h

b) 40 km/h

c) 0.025 km/h

d) 10 km/h2

**What does the slope on a position vs time graph represent?**

a) Acceleration

b) Displacement

c) Speed

d) Force

**What does a horizantal line on a velocity vs time graph mean?**

a) The car is accelerating in a positive direction

b) The car is traveling at a constant speed

c) The car is not moving

d) The car is accelerating in a negative direction

**A plane is traveling at a speed of 200 m/s for 10 hours, how far did it travel?**

a) 2000000 meters

b) 20 meters

c) 7200000 meters

d) 2000 meters

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