Question 2 A trough is full of liquid of weight density 9,000 N/m³. The ends of the trough are equilateral triangles with sides 2 m long and with vertex at the bottom. Setup the integral for the force on one end of the trough. (Hint: Put the bottom of the trough along the x-axis.) Ⓒ 9000 / (√5y-y²) dy (A) Ⓒ® 4500 / (√3-y)ydy (в 6000√3 (√3y-y²) dy (D 3000√(√3-y)ydy

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