Motion Assessment

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

• velocity

• time

• speed

• acceleration

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

• velocity

• acceleration

• direction

• speed

Motion is a change in

• position

• velocity

• time

• speed

How long will it take an object traveling at 25 m/s to reach a distance of 125 meters?

• 0.2 s

• 0.2 min

• 5 s

• 5 m

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?

• 454 km

• 113.5 km

• 0.0088 km

• 225 km

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

• 454 km

• 30 km/min

• .25 km/min

• 0.0088 km

Acceleration is rate of change of

• velocity

• speed

• time

• position

Find the acceleration of a car that goes from 32 m/s to 96 m/s in 8.0 s.

• 8.0 m/s²

• 4.0 m/s

• 12 m/s

• -8.0 m/s²

A car travels a distance of 98 meters in 10 seconds. What is the average speed of the car?

• 4.9 m/s

• 49 m/s

• 98 m/s

• 9.8 m/s

A group of bike riders took a 4 hour trip. During the first 3 hours, they traveled a total of 50 km, but during the last hour they raveled only 10 km. What was the group's average speed for the entire trip?

• 60 km/hr

• 40 km/hr

• 30 km/hr

• 15 km/hr