Determine the initial height and loss of energy of a bouncing ball.
Explore the relation of angular velocity and centrifugal acceleration using the gyroscope and the accelerometer. (For example when putting your phone into a salad spinner)
The smartphone is mounted on an air track and accelerated by a weight on a string. An array of magnets is used, so the linear acceleration can be explored by measuring the magnetic field.
Continue reading “Linear acceleration on an air track”
Measure the frequency of a pendulum on a string. You can determine the gravity constant this way.
The smartphone is placed in a (tightly inflated) plastic bag. Through the pressure sensor, you can determine the changes in pressure when differen weights are placed on the bag.
This experiment was shown to us by Holger Jessen-Thiesen (Twitter), who also provided a worksheet, which is only available in German at the moment.
Measure the frequency of a pendulum on a spring.