Unit 1 Review

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10

• 7

• 8

• 6

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800

• 400

• 0

• 200

What distance did the creature travel?

• 23 m

• 9 m

• -9 m

• -23 m

What is the creature's final displacement?

• 23 m

• 9 m

• -9 m

• -23 m

What is velocity?

• the quickness of an object

• the location of an object

• acceleration

• speed in a specific direction

A quantity that needs both magnitude and direction to be fully described.

• Vector

• Scalar

A quantity described by magnitude and does not need direction

• Vector

• Scalar

Which is true?

• Speed is measured in m/s but velocity is measured in s/m

• Speed is a vector and velocity is a scalar

• Speed and velocity are the same exact thing

• Speed is like velocity but without a direction

What is a difference between distance and displacement

• Distance is measured in seconds and displacement is measured in meters

• Distance is always shorter than displacement

• Displacement can be equal to zero if the object ends in the place it began in

• Distance can be equal to infinite when only a small distance has been travelled

Why does a car accelerate as it round a corner at a constant speed?

• Its direction changes

• It doesn't

• It slows down

• Its speeds up