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Question:

PHYSIC) Ohm's Law and Power related Problem Help!!!?

How much weight can be lifted by an electronic Lego crane in 2 seconds if it has a 30cm string 2 AA batteries and the motor has a resistance of 80 Ohms???????? THANKU FOR YOUR HELP (:

Answer:

2x1.53, Pv^2/R9/80.1125wattsmxd/t .1125 m .1125x2/.3 .075kg 75 gramsThis is a bit of a guess but its in the right direction.
2x1.53, Pv^2/R9/80.1125wattsmxd/t .1125 m .1125x2/.3 .075kg 75 gramsThis is a bit of a guess but its in the right direction.

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