Average speed is measured in metres per second \(m\, s^{-1}\). Instantaneous speed is the speed of an object at a particular moment in time. Instantaneous speed is measured in metres per second \(m\, ...

Long cardboard tube, such as an empty roll of wrapping paper, to make your ramp. It should be at least two-and-one-half feet long. A thin book or small wood block to raise one end of your ramp. It ...

\(\Delta v\) (pronounced 'delta v' is the change in speed of the object. Acceleration is measured in metres per second per second or metres per second squared \(m\, s^{-2}\). How to measure ...