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If a microscope has a 40× objective lens in place and a 15× eyepiece lens, the magnification of the system under these
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The useful energy output of an engine is 1.50 × 103 kJ and the total mechanical energy input is 4.32 x 103 kJ . The efficiency
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1,226 views
A 31.4-kg diver free falls from the diving board and hits the water with a speed of 10.0 m/s. Based on this information, the
1 answer
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