The speed-time graph in the question below shows how the speed of a bus changes during part of a journey. b) At what time during the journey did the bus reach its greatest speed? c) How long did the ...

One of the most basic things students do in a physics lab is to collect data and use that to build a model. Most of these models come in the form of a mathematical function. But here is the problem.

The width of the two taller parts of the card are measured and the card is attached to a trolley. We then place a light gate at the bottom of the slope and release the trolley. The light gate is ...