A water trough has a semicircular cross section with a radius of 0.3 m and a length of 1 m (see figure).a. How much work is required to pump the water out of the trough (to the level at the top of the trough) when it is full? Use 1000 kg/m³ forthe density of water and 9.8 m/s² for the acceleration due to gravity.b. If the length is doubled, is the required work doubled? Explain.c. If the radius is doubled, is the required work doubled? Explain.1 m0.3 m

Work-Energy Theorem:According to work-energy theorem, the change in the energy of an object is equal…

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