Speed, Velocity, Acceleration

___ refers to how fast an object is moving.

• Speed

• Velocity

• Acceleration

• Motion

Which two factors does speed depend on?

• distance and direction

• direction and time

• distance and time

• distance, time and direction

What two factors does velocity depend on?

• speed and direction

• distance and time

• speed and time

• distance and direction

Which is an example of speed?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour toward the next town.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second toward space.

Which is an example of velocity?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second.

A biker speeds up from 10 m/s to 30 m/s in 10 seconds. What was their average acceleration?

• 20 m/s^2

• 2 m/s^2

• 20 m/s

• 0 m/s^2

A boat travels 90km in 10 seconds. What was its speed?

• 9 km/hr

• 90 km/hr

• 1.11 km/hr

• 80 km/hr

The difference between speed and velocity is...

• Speed has direction.

• Velocity has direction.

• They are the same thing.

A car speeds up from 25 m/s to 45 m/s in 4 seconds. What was its acceleration?

• 1.8 m.s^2

• 11.25 m/s^2

• 5 m/s^s

• 5 m/s