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- Does an object always have the same mass and length? What makes a quantity a fundamental or base quantity?Suppose the 50 turn coil in the figure below lies in the plane of the page and originally has an area of 0.230 m². It is stretched to have no area in 0.100 s. X Bin XBin X V What is the direction? clockwise X counterclockwise X X What is the magnitude (in V) of the average value of the induced emf if the uniform magnetic field points into the page and has a strength of 1.75 T? X X 192 XProblem 1: Convert to Sl and write in scientific notation: a) 55 mph (miles per hour) to m/s b) 6.0 gallons to liters c) 1.282 light-seconds to m d) 1 acre to m²