Consider three cases. Case 1: A person holds her arm at an angle of 30°30° above the horizontal (hand is higher than shoulder). Case 2: A person holds her arm straight out parallel to the ground. Case 3: A person holds her arm at an angle of 30°30° below the horizontal (hand is lower than shoulder). In which of the cases is the torque about the shoulder due to the weight of the arm the greatest?
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Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane
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Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
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Which of the following will cause an induced current in a coil of wire? the constant field of the earth passing through the coil a magnet resting near the coil a magnet being moved into or out of the coil a wire carrying a constant current near the coil
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Consider three cases. Case 1: A person holds her arm at an angle of 30°30° above the horizontal (han...
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