Motion Honors Test

The speed you read on a speedometer is ____.

• instantaneous speed
• constant speed
• average speed
• velocity

3 m/s north is an example of a(n) _____.

• speed
• velocity
• time
• acceleration

A car moves around a wide turn going 45 mi/hr the whole time. The car has a constant _____.

• speed
• velocity
• direction
• acceleration

If you ride your bicycle down a straight road for 500 m then turn around and ride back to your starting point, your distance is _____ your displacement.

• greater than
• equal to
• less than
• can't determine

An object in motion must be undergoing a change of

• velocity
• position
• acceleration
• direction

A softball pitcher throws a ball at 42 meters per second. If the batter is 18 meters from the pitcher, approximately how much time does it take for the ball to reach the batter?

• 1.9 s
• 2.3 s
• 0.86 s
• 0.43 s

The graph to the right shows the relationship between distance and time for a moving object. According to the graph, the object is

• speeding up
• slowing down
• motionless
• moving at a constant speed

A high-speed train travels with an average speed of 227 km/hr. The train travels for 2 hrs. How far does the train travel?

• 113.5 km
• 454 km
• 0.0088 km
• 225 km

A cross-country runner runs 10 km in 40 minutes. What is his average speed?

• 30 km/min
• 4 km/min
• 400 km/min
• 0.25 km/min

The graph to the right represents the change in velocity of four cars over a period of 10 hours. Which line represents the car with the greatest acceleration?

• A
• B
• C
• D