Question: Answer the three questions below. Make sure to sh ow your work. 1500 _ 15 + 12 , to determine the minimum radius of curvature

Answer the three questions below. Make sure to sh ow your work. 1500 _ 15 + 12\" , to determine the minimum radius of curvature (R) in meters, for a roadwayr with a 40 km/hr design speed and a maximum superelevation rate (9). What is the maximum superelevation rate recommended if the radius of curvature is 400 meters? Answer as a decimai, rounded to two decimal places. 1. A transportation engineer uses the formula, R = 2. Your camera determines the focal distance required for your picture to be in focus using the lens 1 1 1 equation, F E = 3, where the focal distance to the object from the lens (D) is related to the focal length (F) and the distance from the lens to the film {5). If an object is placed 6 cm from a lens with a focal length of 3 cm, how far from the lens is the image (lm) formed

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