1.
Find the average speed in m/s if
(a) a car travels 12 000 m in 480 seconds
(b) a train travels 42 km in 2100 seconds
(c) a car travels 90 km in 20 minutes.
2.
(a) What time, in seconds, would it take
an object to travel a distance of 72 m
at a speed of 3 m/s?
(b) An object travels at a speed of 7 m/s for 80 seconds. Calculate the distance
travelled.
(c) Calculate the time it takes an object to travel a distance of 480 m at
a speed of 30 m/s.
3.
Express the following speeds in m/s
(a) 36 km/hr (b) 144 km/hr (c) 180 km/hr
(d) 720 km/hr (e) 108 km/hr (f) 252 km/hr
4. Express the speed 1200 m per minute in km per hour.
5.
A journey of 276 km began at 1040 hrs and
ended on the same day at 1430 hrs.
Find the average speed in km/hour.
6.
A journey of 8 km took 40 minutes.
Find the average speed in metres per second
7.
An athlete ran 1500 metres in 4 minutes.
Find the average speed of the athlete in metres per second.
8.
A distance of 375 metres is travelled in
25 seconds.
Find the average speed in kilometres per hour.
9. It takes 4 hours and 20 minutes to travel a journey at an average speed of 120 km/hr. How many hours and minutes will it take to travel the same journey if the average speed is reduced to 100 km/hr?
10. A cyclist started a journey of 56 km at 1015
hours and finished the journey at 1135 hours.
Calculate the average speed of the cyclist in km/hr.
11. A distance of 18 km is travelled in 25 minutes.
Find the average speed in m/s.
12. A train travelled 155 km at an average speed
of 62 km/hr.
How long did the journey take?