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Question: 1. Calculate the pressure drop for water at 100°F and 1 atm flowing at 500 lbh through a bed of 1/2-in. spheres. The bed is 4 in. in diameter and 8 in. high. The porosity (void fraction) of the bed is 0.38. Assume gravity is negligible.
2. A 12-in. circular duct in which a gas witb p = 0.001 lbm ft3 and p = 0.1 CP is flowing is shown below. A pitot tube attached to a differential manometer is inserted in the duct as shown. Flow is laminar, and the pitot tube coefficient may be taken as 1.0.
a. Calculate the velocity (if any) in ft/s using the pitot tube equation. If no flow is present, explain.
b. Calculate the mass flow rate in lbds if possible - if not, explain why in detail.
a net force described by the equation fxx25x acts on a mass of 3 kg. what is the objects speed after moving a distance
For the RC circuit given below, the switch is moved from position A to position B at time equal to 0 seconds. Prior to moving the switch, the capacitor voltage was 0 V.
The attractive electrostatic force between thepoint charges+8.44*10^6 C and Q has a magnitude of 0.975 N when the separationbetween the charges is 1.31 m. find the sign and magnitude of the charge Q
The pilot of a spacecraft moving horizontally at 10 m /?s notices that the hailstones going past the port window makes an angle of 45° with the downward vertical. What is the speed of the hailstones with respect to the ground
What is the rate at which water flows outA large tank supported high off the ground is filled with water to a depth of 2.05 m. What is the rate at which water flows out, in cubic meters per second
An electron is traveling through a region of space in which the electric field is along the +x direction and has a magnitude of 2125 N/C. Find the acceleration of the electron
The atronomer was studying the moon of jupiter called lo. He noticed that measurements taken in the spring when used to predict the position of lo in the fall were off by 18.177 minutes of time. determine the value of the speed of light that Roemer..
A 3 meter diamter steel excess hatch is located 20 meter (center of gravity) below the water level of an intake structure. What is the total force on the hatch
A muon formed high in Earth's atmosphere travels towards Earth at a speed v = 0.92c for a distance of4.2 km as gauged by an observer at rest by respect to Earth. It then decays into an electron, a neutrino, and an antineutrino (µ- e- + v +v).
An electron has a velocity of 6.0 ? 106 m/s in the positive x direction at a point where the magnetic field has the components Bx = 3.0 T, What is the magnitude of the acceleration of the electron
If a blue filter is placed over a light source aperture so that the incident rays are blue and these rays pass through a green filter, what color should the reflected rays be? Based on these observations, what makes the green filter appear green?
A simple 2.32 m long pendulum oscillates. The acceleration of gravity is 9.8 m/s2. How many complete oscillations does this pendulum make in 5.58 min
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