Units Ch 11 test review

What is the unit for average speed?

• m/s2

• seconds

• m/s

• meter

Unit for mass

• cm

• meter

• m/s

• kg

Unit for time

• m/s2

• seconds

• meter

• m/s

Unit for acceleration

• m/s

• m/s2

• meter

• seconds

What is the formula for average speed?

• d=m/v

• a = vf-vi/t

• v=t/d

• v=d/t

The rate of change of speed and/or direction is called

• average speed

• acceleration

• mass

• density

If you want to calculate the acceleration of the car, you should ______the change in velocity by the time.

• average speed

• divide

• acceleration

• subtract

If you have a graph with a horizontal line, what is that showing about your object?

• increasing in speed

• decreasing in speed

• not moving

• moving at a constant speed

Tags

NGSS.MS-PS3-1

The state in which the distance of an object is changing from another...

• average poeed

• reference point

• motion

rate of motion at any given instant

• average speed

• constant speed

• instantaneous speed