You roll a tennis ball a distance of 18 meters it takes 6 seconds to cover the distance. What is the average speed of the tennis ball?

A car travels 120 miles in 3 hours. What is the average speed of the car?

The captain decides to show the team how it's done. He rows 2 km in 7 min. What's his speed?

The team of 8 rowers row 500 m in 180 s. If they keep going at the same speed, how long does it take them to row 2 km?

Which of the following is an acceptable velocity measurement?

An object travels 100 m North then 50 m South. What is its total displacement?

A runner runs 2 laps around a track with a circumference of 400 m. What is their total displacement?

Which graph shows an object at rest?

Which graph shows an object moving forward at a constant speed?

$$a=\frac{\Delta v}{t}$$  

Sami coasted on her bike straight down a hill, accelerating from a speed of 3 m/s to 15 m/s in a total time of 6 seconds. What was her acceleration?

$$a=\frac{\Delta v}{t}$$  

A car traveling at 25 m/s slows down at a constant rate for 5 seconds until it stops. What is its acceleration?

$$a=\frac{\Delta v}{t}$$  

A runner covers the last straight stretch of a race in 3 seconds. During that time, he speeds up from 3 m/s to 9 m/s. What is the runner's acceleration in this part of the race?

$$a=\frac{\Delta v}{t}$$  

A car traveling at 10 m/s starts to decelerate steadily. It comes to a complete stop in 20 seconds. What is its acceleration?

$$a=\frac{\Delta v}{t}$$  

A car traveling at a speed of 25 m/s increases its speed to 30.0 m/s in 10 seconds. What is the magnitude of its acceleration?