Asked by Tyler
The 500 kg video display will be raised to its position 20 m above the
arena floor by a motorized winch powered by a 12 volt battery. If the
battery capacity is 100 A-hr and the system is 100% efficient, how many
times could the display be lifted into position before the battery requires
recharging?
arena floor by a motorized winch powered by a 12 volt battery. If the
battery capacity is 100 A-hr and the system is 100% efficient, how many
times could the display be lifted into position before the battery requires
recharging?
Answers
Answered by
Steve
work to lift the video is 500*20 = 10,000 J
1 A-hr-V = 3600J
1 A-hr-V = 3600J
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