A trough is shaped like a half cylinder with length 5 m and

A trough is shaped like a half cylinder with length 5 m and radius 1 m. The trough is full of water when a valve is opened and water flows out of the bottom of the trough at a rate of 6.5 m3/hr. (Hint: The area of a sector of circle of radius r subtended by an angle alpha is r2 alpha / 2.) Complete parts (a) and (b) below. How fast is the water level changing when the water level is 0.5 m from the bottom of the trough? dh / dt = m / hr (Type an exact answer using radicals as needed.) What is the rate of change of the surface area of the water when the water is 0.5m deep? How fast is the water level changing when the water level is 0.5 m from the bottom of the trough? dh / dt = m / hr (Type an exact answer using radicals as needed.) What is the rate of change of the surface area of the water when the water is 0.5m deep? How fast is the water level changing when the water level is 0.5 m from the bottom of the trough? dh / dt = m / hr (Type an exact answer using radi

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i think there is some problem in the pic u uploaded some lines are repeated and there are some patch marks pls repost the question properly thanks