problem

Favourite

### Quick Route

What is the quickest route across a ploughed field when your speed
around the edge is greater?

problem
###
Quick Route

Favourite

What is the quickest route across a ploughed field when your speed
around the edge is greater?

problem
###
Differential equation matcher

Favourite

Match the descriptions of physical processes to these differential
equations.

problem
###
Immersion

Favourite

Various solids are lowered into a beaker of water. How does the
water level rise in each case?

problem
###
An Average Average Speed

My average speed for a journey was 50 mph, my return average speed
of 70 mph. Why wasn't my average speed for the round trip 60mph ?

problem
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Jumping Gerbils

A conveyor belt, with tins placed at regular intervals, is moving
at a steady rate towards a labelling machine. A gerbil starts from
the beginning of the belt and jumps from tin to tin.

problem
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Reaction types

Explore the rates of growth of the sorts of simple polynomials
often used in mathematical modelling.