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Question:

Physics: Potential and Conservation of Energy?

A 120 kg piano is being lifted at a steady speed from ground level straight up to an apartment 18.0 m above the groundThe crane that is doing the lifting produces a steady power of 400 WHow much time does it take to lift the piano?

Answer:

He may not have used regular duct tapeAluminium tape should have the desired effect.
I highly doubt it since the censors are magnetized and duct tape doesn't block thatBut, you should go to the Mythbusters web site at Discovery channel and suggest it, they are always doing duct tape stories.
mgh120101821600j pw/t wmgh tw/p t21600/40054s
NoI seen on cops where there was someone who lined their bag with aluminum foilThat worksIt shields the coil from the sensorsWhenever they disarm themIt is a magnet that they rub across it THOU SHALT NOT STEAL!!!!
He may not have used regular duct tapeAluminium tape should have the desired effect.
I highly doubt it since the censors are magnetized and duct tape doesn't block thatBut, you should go to the Mythbusters web site at Discovery channel and suggest it, they are always doing duct tape stories.
mgh120101821600j pw/t wmgh tw/p t21600/40054s

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