problem
2 out of 3
Roller Coaster
Age
16 to 18
Challenge level
2 out of 3
Look at the Doppler effect during a rollercoaster ride
problem
2 out of 3
Giant Swing
Age
16 to 18
Challenge level
2 out of 3
Calculate the forces on the joints of a spining gymnast
problem
1 out of 3
Motorbike Momentum
Age
16 to 18
Challenge level
1 out of 3
A think about the physics of a motorbike riding upside down
problem
2 out of 3
Favourite
Whirlyball
Age
16 to 18
Challenge level
2 out of 3
Whirl a conker around in a horizontal circle on a piece of string. What is the smallest angular speed with which it can whirl?