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question 1 what types of pumps might be used to dewater an excavation in a situation where the suction lift for a
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to determine how well a bicycle wheel is lubricated the mechanic in the repair shop starts it spinning and lets it
three liquids are at temperatures of 4c 21c and 31c respectively equal masses of the first two liquids are mixed and
an object weighing 300 n and the volume of 05 m3 in air is immersed in oil after being tied to a string connected to a
1 a television 65w a refrigerator 12kw an electric kettle 650w and 10 lamps 40 w each are connected in series in a
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an object weighing 56000nbspn and thenbspvolume of 030nbspm3nbspin air is immersed in fluid after being tied to a
you are falling down a pit that is 2400 m deep as you fall you hear a pitch from the surface that is 1000 hza find the
a petite young woman distributes her 510 n weight equally over the heels of her high-heeled shoes each heel has an area