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a vertical spring of unstretched length 30 cm is clamped at its upper end when sand is placed in a pan attached to the lower end of the spring its length becomes 45cm when 20g mass is placed on top of the sand the length increases to 55cm determine the mass of the sand
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Aug 30, 2021
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Physics Form 2
by
Yousuf
hookes law
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Aug 23, 2021
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Aug 5, 2021
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