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1.The 2-lb cylindrical plug A slides down the smooth path and embeds in the 4-lb spring block C with...? k = 80 lb/ft. Determine: 1. The velocity of a & C right after impact 2. The maximum deflection of the spring. Use energy and momentum.
2.A 0.75 m high rectangular sharp-crested weir extends across a 2.2m wide rectangular channel. When the head is 32 cm, determine the flow rate
3.A heat pump operates between 250K and 300K. The cooling rate is 3.6 kW while the work input rate is 1.2 kW. The COP for the heating achieved is? Provide full details of work to receive good rating.
Question about Spring, A 37kg object is placed onto a coil spring which has been compressed 43mm. The force used to compress the spring was 35KN.
The rapid sand filter being designed for Laramie has the characteristics show below. Determine the head loss for the clean filter bed in a stratified condition. Depth = 0.75 m
A brass alloy has a yield strength of 280 MPa, a tensile strength of 390 MPa, and an elastic modulus of 105 GPa. A cylindrical specimen of this alloy 12.7 mm in diameter and 250 mm long is stressed in tension and found to elongate 7.6 mm.
An agronomist wants to measure the rainfall at the centroid of a plowed field between two roads. What are the coordinates of the point where the rain gauge should be placed?
What is the ratio of the magnitude of E2 to the magnitude of E1? You may neglect the effects of gravity on the proton.
After 5 seconds the force is continuous at the 50 N level. Determine the velocity of the cart at t=8 seconds and calculate t at which the cart velocity is zero.
A scientist plans to build a water barometer. When the atmospheric pressure is 990 mb abs and the water temperature is 70 degrees Celsius, what would you expect the barometer reading (water rise) to be
Find e1, e2, e3 and deflections at those points
A trapezoidal channel is carrying water at a normal depth of 5.2 ft, the channel has a bottom width of 10 ft and side slopes of 2 H to 1 V. It is running on a slope of 0.005 ft/ft. What will be the shear stress in lb/ft^2 exerted on the channel be..
The price of oil in 2005 was $67 per barrel. "This priceis still lower than price of in 1981" says a government publication. If inflation has average 3.2% per year from 1981 to2005, what was the price per barrel of oil in 1981?
Two cars are traveling on level terrain at 60 mi/h on a road with a coefficient of adhesion of 0.8. The driver of car 1 has a 2.5-s perception/reaction time and the driver of car 2 has a 2.0-s perception/reaction time
A tire carries a 5,000-lb load and has a pressure of 100 psi. The pavement has a modulus of elasticity of 43,500 psi. A deflection of 0.016 inches is observed at a point on the pavement surface 0.8 inches away from the tire load.
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