A lever uses an effort arm of 475 m and has a resistance
A lever uses an effort arm of 4.75 m and has a resistance arm of 21.5 cm. What is the mechanical advantage of the lever?
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A lever uses an effort arm of 4.75 m and has a resistance arm of 21.5 cm. What is the mechanical advantage of the lever
A cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3.216 cm at 0°C. The diameter of the sleeve is 3.203 cm at 0°C. (a) To what temperature must the sleeve be heated before it will slip over the shaft
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a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 20m/s the stone travels 100 m horizntally and hits the beach. what is the height of the cliff
A student lifts a weight (W) using a motor powered by solar cells to determine the efficiency of the solar cell/motor system. On the power meter the voltage reads V and the current reads I. The student lifts the weight a distance H in a time T.
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