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1. |
A machine is able to lift a mass of 200 kg vertically upto the height of 30 m above the ground in 50 seconds. The power of the machine is |
A. | 1.2 kW |
B. | 0.12 kW |
C. | 300 kW |
D. | 6.0 kW |
Answer» B. 0.12 kW | |