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A weightlifter raises a 90k-g barbell from the floor to a height of 2/2 m in 0.6 s. What was his average power output during th...Asked by tracey
a weightlifter raises a 70 kg barbell from the floor to a height of 2.2m in 1.2s. What was his average power output during the lift?
Answers
Answered by
Aljebeth
Power=work/time
Work=force*distance
w=(9.81m/s*70kg)*2.2m
w=1510.74 Newton
P=1510.74N/1.2s
P=1259.95 watts or 1.26 Kilowatts
Work=force*distance
w=(9.81m/s*70kg)*2.2m
w=1510.74 Newton
P=1510.74N/1.2s
P=1259.95 watts or 1.26 Kilowatts
Answered by
Aljebeth D. Tura
the unit for work should be Joule,nut newton..
Answered by
Aljebeth D. Tura
the unit for work should be Joule,not newton..
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