Monday, 27 October 2014

Motion Sensors to work out Distance Speed Graphs

Using the Motion sensor here we can do a series of experiments simultaneously to record the Distance, Velocity and acceleration of the cart as it moves down the track.

Here we are using a Lego trolley with a screen at the back to reflected the ultrasound signal.

The cart can be loaded with different masses.
Here are some distance time graphs to show four different runs at four different heights.

As the trolley moves down the track its velocity increases until it crashes at the end and the velocity drops sharply to zero.

1 was the shallowest
3 was the steepest.

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