Speed calculations please The questions are
True or false for all of no.1
1.
Johnathon runs 5km in 30 mins . Darren runs 9km in 60 mins they have the same average speed. T/F
Reena is driving in an area where speed limit is 50km an hour she travels 10km in 10 minutes. She has broken the speed limit. T/F
Jeremy runs the full length of the athletics track in four minutes. Pete runs one lap in three minutes. Jeremy is going faster than Pete. T/F
A car that travels 60 km in 45 mins is faster than a car that travels 400m in 12 seconds T/F
A train travels at the average sped of 150km/h. It travelled faster than 150km/h for part of the journey T/F
2
Sound travels at a speed of 340m/s how long does it take to travel 850m?
3
Ben walks to school at the average speed of 4km/h. How far away is school from his home?