Relative Motion

The speed you read on a speedometer is

• average speed

• constant speed

• velocity

• instantaneous speed

Tags

NGSS.MS-PS3-1

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

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.

• equal to

• less than

• can't determine

• greater than

Motion is a change in

• position

• velocity

• time

• speed

An indicator that orients you when describing motion is called the

• speed

• time

• point of motion

• reference point

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

Tags

NGSS.MS-PS3-1

What does the slope of a distance vs. time graph tell you?

• the speed of the object

• the acceleration

• the time it took for the object to travel

• the total distance traveled

Acceleration is rate of change of

• velocity

• speed

• time

• position