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                                    A block of mass m=3 kg is pulled by a force F=50 N upwards through 2 m height in vertical direction. It takes 8 seconds to lift the mass. Find the average power delivered by the force. | 
                            
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Answer»  A block of mass m=3 kg is pulled by a force F=50 N upwards through 2 m height in vertical direction. It takes 8 seconds to lift the mass. Find the average power delivered by the force.  | 
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