A block and tackle systems is used to lift a load of 20N through a vertical height of 10m . if the efficiency of the system is 40%. how much work is done against friction.?
Loinf
26 Oct, 2023
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Eunnice
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please can I study Economics with the combination of these 5 subjects?? Agricultural science Mathematics English Government and Economics??
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pecu_520
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it's now a university and please does it have medical science faulty now?
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