Speed
A runner covers 1.5 km in 7.5 minutes. What is the average speed in m/s?
≈3.33 m/s
A student walks 300 m east, 120 m west, and 80 m east. What is the total distance traveled?
500 m
A walker goes 450 m east. What is the displacement?
450 m east
A walker goes 100 m east and then 100 m west in a total time of 2.0 min. What is the average velocity?
0 m/s
A car speeds up from 0 to 20 m/s in 5.0 s. What is the average acceleration?
4.0 m/s²
A bus travels 36 km in 45 minutes. What is the average speed in km/h?
48 km/h
A runner completes 2.5 laps on a 400 m track. What distance did they cover?
1000 m
A hiker travels 2.3 km north, rests, then 1.1 km north. What is the displacement?
3.4 km north
A car moves 60 km east in 1.0 h and then 40 km west in 0.5 h. What is the average velocity (magnitude and direction) for the whole trip?
≈13.3 km/h east
A train slows from 30 m/s to 18 m/s in 6.0 s. What is the average acceleration?
−2.0 m/s²
An RC car travels 12 m in 4 s, then 6 m in 2 s, then rests for 4 s. What is the overall average speed?
1.8 m/s
A car travels at 55 km/h for 1.5 h. How far does it go?
82.5 km
A student bikes 800 m west, then 200 m east. What is the displacement? (in km)
0.6 km west
A cyclist maintains a constant velocity of 7.5 m/s east for 40 s. What is the displacement (magnitude and direction)?
300 m east
A ball rolls at 4.0 m/s and accelerates at 1.5 m/s² for 8.0 s. What is its final velocity?
16 m/s
Convert 20 m/s to km/h.
72 km/h
A jogger records 2.4 km on a watch. Convert this distance to meters.
2400 m
A cyclist rides 500 m east and then 1300 m west. What is the displacement?
800 m west
On a straight east–west road, +x is east. At t = 0 s, x = +5 m. At t = 5 s, x = −15 m. What is the average velocity?
−4.0 m/s (4.0 m/s west)
A car’s initial velocity is 25 m/s. It experiences a uniform acceleration of −3.0 m/s² until it stops. How long does it take to stop?
≈8.33 s
A person walks at an average speed of 1.2 m/s for 25 minutes. How far did they travel? (in km)
1.8 km
A hiker goes 1.2 km north, 0.6 km east, then 1.0 km south. What is the total distance walked?
2.8 km
For the path in Q1 (300 m E, 120 m W, 80 m E), what is the displacement (magnitude and direction)?
260 m east
An object moves with a constant velocity of −3.0 m/s along the x‑axis for 10 s (positive is east). What is the displacement and its direction?
−30 m (30 m west)
From rest, an object accelerates at 2.0 m/s² for 12 s. How far does it travel in that time?
144 m