Science, asked by 2006jmahmood, 5 months ago

Science questions, please help and I'll put you on the brainlist. It would really help

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Answered by ibbadbutt

Answer:

1-A total of 3.5 joules energy is consumed. 2-Efficiecy of the motor is approximately 49 % 3-Different masses require more or less energy according to their mass.Also energy is wasted in friction with reel and air friction.

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