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Since m1 (the mass of the cart) and m2 (the accelerated mass) are known (their weights can be checked), the acceleration of gravity g can be calculated with the calculator in Utilities in WINDOWS when a has been measured. For a typical measurement, where m1 = 200.2 g, m2 = 5 g and a = 0.229 m/s2 are measured, it follows that g = 9.4 m/s2. ................
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