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The slender 15-kg bar is initially at rest and standing in the vertical position when the bottom endAis displaced slightly to the right. If the track in which it moves is smooth, determine the speed at which endAstrikes the cornerD. The bar is constrained to move in the vertical plane. Neglect the mass of the cordBC.
An adiabatic heat exchanger is used to heat cold water at 8°C entering at a rate of 3 kg/s using hot air at 150°C entering with the same mass flow rate. If the air’s exit temperature air is 30°C,
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
The uniform slender bar AB has a mass of 8 kg and swings in a vertical plane about the pivot at A. If thett^ = 2 rad/s when theta = 30 degrees, compute the force suported by the pin at A at that instant
For a 2500-ft2 dwelling in your locale, investigate the feasibility of using a microwave water heating system. Include a detailed economic evaluation accounting for equipment, installation, and operating costs. Place your findings in a memorandum.
the city of houston has a water filtration system that consists of a large rigid tank with a single 1.5m diameter inlet
a model of an airplane is to be tested at 20degc in a wind tunnel. the model is built to 112th scale. in order to match
When magnesium twins on the {1012} planes in the 10 11> directions, what is the angle between thec-axes (i.e., the [0001] directions) of the twin and the untwinned material? For Mg the lattice parameters are a = 0.32088 nm and c = 0.52095 nm.
State mathematically Newtona's law of viscosity. Water moves over a flat surface. At a point on the surface the velocity gradient is 60 s-1. The viscosity of water is 0.0012 Ns/m2. Calculate the wall shear stress.
a fallen tree trunk is damming up water in a creek. the tree trunk is approximately a cylinder 40 cm diameter and 4.0 m
the amount of fuel introduced into a spark-ignition engine is used in part to control the power produced by the engine.
Design a Hohmann transfer to take a satellite from a parking orbit 200 km by 400 km to a circular orbit with a period of 4 hours. Show all calculations
A large oil reservoir has a pipe of 4 in ID and 7000-ft length connected to it. The free surface of oil (kinematic viscosity = 1 x 10^4 ft2/s) in reservoir is 10 ft above the centerline of the pipe and can be assumed to remain at this fixed elevation..
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