The year 10 extended group is investigating a pendulum; each one of us is going to change something to it, to make the investigation more interesting.
The things that we could change are:
* The length of the string (20,40,60,80,100,120,140,160,180,200; in cm)
* The weight of the plasticine (55 grams)
* Shape of the object, aerodinamicity (ball, sphere)
* The angle of where you started to throw the plasticine, (45º)
The things that we could measure or observe
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