mart which is moving at a constar k. The jet is deflected at an a er as 1000 kg/m'. Neglecting th uid, the magnitude of the force e
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- A vertical conduit is carrying oil (S=0.95) as shown in figure 2. A differential mercury manometer is tapped into the conduit at points A and B. Determine the difference in pressure between A and B when h=3in. What is the difference in piezometric head between A and B?The 5-kg ball A revolves at a constant speed ? in a horizontal circle as shown in Figure Q2. If ? = 50° and ? = 7.9m. Explain how r and the mass of the ball should be adjusted if the speed of the ball is to be increased.A turbine is rotating at a constant speed of 2400rev/min. At what constant rate in radian/sec^2 must its motion be retarded to bring it to rest in 20 minutes?
- A wheel 0.70 m in dianeter starts from rest and accelerates uniformly to an angular velocity of 80 rad/sec in 20 seconds. Find the angular acceleration in rad/s^2Shown in the figure below is a small decorative wheel fitted with flat paddles so the wheel turns about its axis when acted upon by a blown stream of air. Assuming that all the air in a 15-mm-diameter stream moving at 0.35 m/s strikes one paddle and is deflected by it at right angles, compute the force exerted on the wheel initially when it is stationary. The air has a density of 1.20 kg/m3 . The paddle is on a horizontal plane.Situation 2 An object with a shape of a cube with 280mm on each side, and weighing 425N is lowered into a tank containing a layer of water over a layer of mercury. Determine the position (height) of the top of the block above the mercury, when it has reached equilibrium in m.
- A 500 N block is resting on an inclined plane and is subjected to a constant force of 600N acting parallel to the inclined plane. After the block has moved 3 m from rest along the inclined plane the force 600N is removed. The inclined plane has a slope of three vertical to four horizontal. Coefficient of friction is 0.20 a. Which is the following gives the distance that the black will move further along the inclined plane until it will stop? b. Which of the following gives the velocity of the block when this for 600 Newton was removed? c. Which of the following gives the velocity of the block when it returns to its initial position?A water jet is deflected 30° by a stationary vane as shown. The incoming jet has a speed of 40 m/s and a diameter of 2 cm. Neglect the influence of gravity. Find the horizontal and vertical components of the force exerted by the jet on the vane. The density of water is1000 kg/m3.To what height will the jet of fluid rise for the conditions shown in the figure?
- Water enters a large rigid tank steadily at a rate of V . = 0.5 m3/s, and exits through a large rectangular opening through which the velocity changes linearly in the vertical direction from 4 m/s to 5 m/s. Knowing that the tank is full, determine the magnitude of the velocity through the circular opening at the top whose diameter is D = 15 cm.A ball of mass 5kg and a block of 12 kg are attached by a light weight cord that passes over a frictionless pulley of negligible mass as shown in the figure. The block lies on a frictionless incline of angle 30 degrees. Find the magnitude of the acceleration of the two objects and the tension in the cord. Take g = 9.81 m/s^2.The 50 kg crate shown in the figure rests on a horizontal surface for which thecoefficient of kinetic friction is ??=0.3 If the crate is subjected to a 400 Ntowing force as shown, determine the velocity of the crate in 3? starting fromrest