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Investigate the depth of penetration of a metal rod, with a sharp point, in sand when dropped.
Member rating: No Rating | Words: | Submitted: Mon Nov 17 2003
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Physics Coursework Planning Aim: To investigate the depth of penetration of a metal rod, with a sharp point, in sand when dropped. Equipment: Sand, sharp pointed metal rod (mass: 17.0 grams; 17.5 cm in length), large container, metre ruler, 30cm ruler, plastercine, electronic balance, stand, 2 clamps. Precautions and Safety * Take care while standing on desks lining up the rod and its target. * Keep the sand which the rod will penetrate level. * Make sure that the rod penetrates the sand vertically to avoid problems in measurement. * Make sure that the meter stick which the heights are measured from is touching the sand. * Ensure that the rod is dropped from exactly the desired height by clamping while it is placed against an object which is at 45 degrees to the meter stick. Preliminary Work In my preliminary work I tested as many variables as was feasible with the limited resources that were available to us in the...
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