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When the distance between the hole and floor is h1=20

In order to measure the length of a long flourescent ceiling lamp, a student makes a very small hole in a piece of paper, holds
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In order to measure the length of a long flourescent ceiling lamp, a student makes a very small hole in a piece of paper, holds
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In order to measure the length of a long flourescent ceiling lamp, a student makes a very small hole in a piece of paper, holds
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2. asked by please help me out!!! please
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In order to measure the length of a long flourescent ceiling lamp, a student makes a very small hole in a piece of paper, holds
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When the distance between the hole and floor is h1=20 cm, the images's length is l1=20 cm; when the distance between the hole
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The distance between the pin hole and screen of a pin hole camera is 5cm and the plate is 8 cm long, calculate the minimum
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Chelsea has a hole exactly in the middle of her 15 foot long walk, right where the floor and the wall meet. If the hole is 2.3
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Calculate the change in potential energy of a 86.9 kg man when he takes an elevator from the first floor to 15th floor, if the
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Assume that aclass room is arectangular box where the floor is 8metres long and 6metres wide.If the distance from the floor to
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A carpenter drills 5 equally spaced holes in a 56 3/4" long piece of wood. The two end holes are an equal distance from the
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