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Simple Pendulum Features Low cost, effective teaching Self-contained Wall mounted Determination of acceleration due to gravity Verification of equation of motion Three year warranty   Range of Experiments To determine the gravitational acceleration 'g' To show that the periodic time of swing is proportional to the square root of the pendulum length   Description A simple pendulum consisting of a cord with a ring at the top end and a sliding heavy bobweight. The pendulum oscillates on a knife edge bracket attached to the wall at a convenient height. A stopwatch and rule are supplied to time the swing of the pendulum and to measure its length. This equipment is part of a range designed to both demonstrate and experimentally confirm basic engineering principles. Great care has been given to each item so as to provide wide experimental scope without unduly complicating or compromising the design. Each piece of apparatus is self-contained and compact. Setting up time is minimal, and all measurements are made with the simplest possible instrumentation, so that the student involvement is purely with the engineering principles being taught

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A Cuvette Quartz is a small tube of circular or square cross section, sealed at one end, made of plastic, glass, or fused quartz (for UV light) and designed to hold samples for spectroscopic experiments.Disposable plastic cuvettes are often used in fast spectroscopic assays, where speed is more important than high accuracy.

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