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a leaver raised 500N lode using 200N effort. if load distance and effort distance are 20 cm and 60 cm respectively, calculate mechanical advantage, velocity ratio and efficiency of this lever.
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The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element
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Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.
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a leaver raised 500N lode using 200N effort. if load distance and effort distance are 20 cm and 60 c...
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