Interactive practice questions
Convert the following amounts into the units required, writing your answers correct to 2 decimal places where necessary:
$2500$2500 metres into kilometres
$2100$2100 seconds into minutes
$45$45 km/h into m/s
$7.562$7.562 kilometres into metres
$6.85$6.85 hours into seconds
$14$14 m/s into km/h
If a car has:
A man drives a truck $144$144 km in $2$2 hours, then stops to refuel and eat lunch at a gas station for an hour. He then drives the truck for another $5$5 hours, covering $96$96 km.
What was the truck’s average speed throughout the whole journey (in kilometres per hour)?
A woman runs $2.4$2.4 km at a speed of $8$8 m/s, then rests for $15$15 minutes. She then drives to the gym $15$15km away at a speed of $75$75 km/h.
Let's go through the steps of figuring out how long this sequence of events would take?