Q3: A tank containing water upto a depth of 500 mm is moving vertically upward with a constant acceleration of 2.45 m/s Find the force exerted by water on the side of tank. Also calculate the force on the side of the tank when the width of the tank is 2 m and 1- Tank is moving vertically downward with a constant acceleration of 2.45 m/s 2- The is not moving at all. 245 mis CO pgh.

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 20°, Ô0 = 5 deg/sec, Ö = 2 deg/sec?, 1 = 15 ft, 1 = 1.6 ft/sec, i = -2.0 ft/sec2. The quantities l and i are the first and second time derivatives, respectively, of the length I of section AB. Express your answers as vectors in the e, and eg directions. B 24' A Answers: VB = i e, + i ee) ft/sec ag = i e, + i eə) ft/sec2

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: θ = 28°, θ˙ = 3 deg/sec, θ¨ = 4 deg/sec2, l = 9 ft, l˙ = 1.8 ft/sec, l¨ = -3.8 ft/sec2. The quantities l˙ and l¨ are the first and second time derivatives, respectively, of the length l of section AB. Express your answers as vectors in the er and eθ directions.

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