A man runs 10km in 30min. What is his speed?
A cyclist travels 25 km at 5 km/h and then a further 80 km at 40 km/h. What is his average speed of the journey?
A bicycle increases its velocity from 10km/h to 15km/h in 6 seconds. Calculate its acceleration.
Tina travels 10 km in 2 hr on her bicycle. At what speed should she travel to reduce her travel time by 1 hr?
If car A is at 40 km/h and car B is at 10 km/h in the opposite direction, what is the velocity of the car A relative to the car B?