How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...
A space craft is ten thousand kilometres from the centre of the
Earth moving away at 10 km per second. At what distance will it
have half that speed?
Follow in the steps of Newton and find the path that the earth
follows around the sun.
We were very pleased to see Niharika from Leicester devise a method for solving the equations in certain cases. You can read her account here.
For the parcel falling from the helicopter, the parcel would accelerate constantly until it reached its terminal velocity, at which point the velocity would remain constant until it hit the ground.