Kinametics_CT

The unit we use to measure speed is ___.

• m/s

• m

• s

• m/s²

What is vector quantity?

• Quantities that have only magnitude

• Quantities that have magnitude and direct

• Quantities that have only direct

• None of the above

What are units of physical quantities in the following?

• Time

• Displacement

• Length

• Speed

• Velocity

the difference between the initial, or starting, position and the final position

• reference point

• motion

• position

• displacement

a measure of the distance an object travels in a given amount of time.

• velocity

• motion

• speed

• vector

the speed and the direction of a moving object

• velocity

• acceleration

• speed

• vector

What does this graph mean?

• no velocity (at rest)

• uniform velocity

• uniform speed

What is shown in this displacement vs time graph?

• uniform velocity

• uniform speed

• no speed (at rest)

• acceleration

What is shown in this graph?

• uniform velocity and initial displacement 10m

• uniform velocity and initial velocity 10m

• acceleration

What is happening between C and D in this graph?

• constant acceleration

• uniform velocity

• at rest