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Physics Coursework Energy Stored in a Spring Aim:- To investigate how the velocity of a trolley when different spring compressions are used. For this piece of coursework I am going to investigate how the velocity of the trolley over a set distance, is proportional to the compression of the spring. I plan to use two different methods of carrying out the investigation. These methods are :- A Light Gate : - The trolley had a piece of card attached to it, on the top.the spring of the trolley was then compressed and then released, as irt passes through the light gate. The light gate is a piece of equipment which is connected to a computer, and as the trolley passes through the light gate, a light beam is broken, and the time it has taken for the length of card to pass through is then recorded. Computer Simulation : - this is a computer program which...

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