5. Calculate: The mechanical advantage of a lever is how much it multiplies your effort. If you
can lift a 1200-N sheep with only 600 N of effort, the lever doubled your effort, so its
mechanical advantage is 2. (Notice you can just divide load by effort: 1200 + 600 = 2.)
Calculate the mechanical advantage of the lever with the strongman at each distance:
2 meters:
3 meters:
4 meters:
Answers: 3
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Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
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Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
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5. Calculate: The mechanical advantage of a lever is how much it multiplies your effort. If you
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