Physics · May / June 2016 · Paper 22 · Question 2
5054
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The question as text
Fig. 2.1 shows an electric motor lifting a load. load electric motor power supply Fig. 2.1 The load, of weight 5.0 N, is raised through a vertical height of 3.5 m at a constant speed. The efficiency of the electric motor is 0.65 (65%).
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2(a)[2]
2(b)(i)[1]
2(b)(ii)[2]
2(c)[1]
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