Calculating speed
1Calculate the average speed, in m/s, of the following:
aa rabbit that runs 12 metres in 4 seconds
ba dog that runs 20 metres in 8 seconds
can athlete who runs 800 metres in 2 minutes 40 seconds.
2At the school sports day, Mark runs the 100 metre race in 10 seconds, while James runs the 200 metre race in 25 seconds. Who was faster?
3Calculate the average speed of each train in the table below. Which one is travelling the fastest?
train A / train B / train Cjourney / from London to Liverpool / from Leeds to London / from Reading to London
distance / 240 km / 200 km / 60 km
time taken / 3 hours / 2 hours / 1.5 hours
4A plane travels from Vienna to London, a distance of 800 km, in 75 minutes. Calculate the average speed of the plane in km/h.
Calculating speed
1Calculate the average speed, in m/s, of the following:
aa rabbit that runs 12 metres in 4 seconds
ba dog that runs 20 metres in 8 seconds
can athlete who runs 800 metres in 2 minutes 40 seconds.
2At the school sports day, Mark runs the 100 metre race in 10 seconds, while James runs the 200 metre race in 25 seconds. Who was faster?
3Calculate the average speed of each train in the table below. Which one is travelling the fastest?
train A / train B / train Cjourney / from London to Liverpool / from Leeds to London / from Reading to London
distance / 240 km / 200 km / 60 km
time taken / 3 hours / 2 hours / 1.5 hours
4A plane travels from Vienna to London, a distance of 800 km, in 75 minutes. Calculate the average speed of the plane in km/h.