Two trains set off at the same time from each end of a single
straight railway line. A very fast bee starts off in front of the
first train and flies continuously back and forth between the two
trains. How far does Sidney fly before he is squashed between the
A security camera, taking pictures each half a second, films a
cyclist going by. In the film, the cyclist appears to go forward
while the wheels appear to go backwards. Why?
How far have these students walked by the time the teacher's car
reaches them after their bus broke down?
I think it is reasonable to assume that the train leaves on a
whole number of minutes.
How many degrees do the hour and minute hands travel in a
Can you form an equation that equates the angular distances
travelled when the hour and minute hands coincide?