In a demonstration of the momentum of fluid flow, a circular plate was suspended in equilibrium on top of an upward water jet that has a diameter of 50 mm and a speed of 5.00 m/s. What the weight of the circular plate? + 50 mm O 5.00 m/s
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- 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.To what height will the jet of fluid rise for the conditions shown in the figure?an open cylindrical tank 45 cm in diameter and 135 cm tall is full of water and revolved about its own vertical axis at constant angular speed. what will be the depth of water (in meters) in the tank when it is brought to rest from an angular speed of 200 rpm.
- Water from a fire hose is directed horizontally against a wall at a rate of 500 g/s and a speed of 4.2 m/s. Calculate the force exerted on the wall, assuming the water’s horizontal momentum is reduced to zero.An open rectangular tank mounted on a truck is 5m long, 2m wide and 2.5m high is filled with water to a depth of 2m. (a) What is the maximum horizontal acceleration can be imposed on tank without spilling any water and (b) determine the accelerating force on the liquid mass? (c) If the acceleration is increased to 6 m/s2, how much water is spilled out?An open vessel 4.0m wide, 5.0m long and 3.5m deep contains 3m of water. It is then accelerated to the right along its width. a. Calculate the acceleration just about water to spill. b. At this rate, what is the force (in N) causing the acceleration if the mass of the vessel if the mass of the vessel is 600kg? c. Consider the same vessel accelerated at 7.00 m/s2. Determine the volume (in m3) of water spilled at that acceleration.
- If the center of gravity of a ship in the upright position is 10m above the center of gravity of the portion under water, the displacement being 1000 metric tons, and the ship is tipped 30 causing the center of buoyancy to shift sidewise 8m. a) Is the moment righting or overturning and why? B) What is the value of this moment in kg m?The container with a diameter of 16 cm and a height of 27 cm is filled with water. Calculate the angular velocity in revolutions / min at which a) one third of the water will pour out, b) the bottom will begin to appear in the blocky rotation of the container around its axis.A 150-lb cylindrical tank is at rest as shown. Determine force P in lb required to move the tank up the higher-level surface.
- 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 18kg box is pulled along a horizontal surface by a force F of 50N , which is applied at a 30 degree angle . We assume a coefficient of kinetic friction of 0.4. Draw the free body diagram for the box and calculate the acceleration and the magnitude of the upward force FN exerted by the table on the box .An open tank 2.40m long by 0.50m wide by 1.40m deep contains water 1m deep. The tank is accelerated along its longer dimension. Find the acceleration so that the water surface just touches the top of the tank. If the mass of the tank is 500 kg, what is the acceleration so that the water surface just touches the top of the tank?