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1. Assuming 4,686,400,000 MWh of energy was “dumped” into lake Erie instantaneously, what would be the increase in the water temperature of the lake
2. Assuming all of that energy was dumped to the earth’s atmosphere instantaneously. How thick (i.e. altitude-wise) would the atmosphere have to be in order to have a temperature rise of no more than 0.5 C? Assume the entire atmosphere is at 15 C and 101.33 kPa. Assume constant specific heats at 300 K & neglect any boundary work.
A race car starting from rest travels along a straight road and for 10 s has the acceleration shown. Construct the v - t graph that describes the motion and find the distance traveled in 10s.
a disk cam rotates at a constant speed of 300 rpm and drives a translating roller follower through a rise of 1.5 inches
the nozzle shown discharges a sheet of water through a 180 degree arc. the water speed is 15 ms and the jet thickness
The speed of sound in air is proportional to the square root of the absolute temperature. If the speed of sound is 1126.0 ft/s when the air temperature is 68 °F (degree F), what will the speed of sound be when the air temperature is 105 °F (degree F)..
The 10-kg block rests on the platform for which = 0.4. If at the instant shown link AB has an angular velocity = 2 rad/s, determine the greatest angular acceleration of the link so that the block doesn't slip.
brass balls each of mass 0.258 kg and initially at 130degc are quenched in a water bath at 50degc for 2 minutes at a
Water vapor enters a turbine operating at steady state at 1000°F, 140 lbf/in2, with a volumetric flow rate of 12.6 ft3 /s, and expands isentropic ally to 2 lbf/in2. Determine the power developed by the turbine, in hp. Ignore kinetic and potential ene..
a vintage automobile has an intake manifold vacuum gage in the dashboard instrument cluster. cruising at 20.1 ms 45 mph
a cylinder with a 6.0 in diameter and 12.0 in length is put under compression load of 150 kips. the modulus of
1.tensile tests were done on a steel bar an aluminum bar and a plastic bar. the bars all had a diameter of 0.505
You are to conduct a tensile test on a metallic specimen that will be cut from a bronze casting. However, the largest flat section of the casting measures 25mm x 25mm x 2mm. Consult the appropriate ASTM standard and suggest sub-sized specimen geometr..
many commercial sinks and publicly-accessible showers have mixing valves underneath them which pre-mix the hot and cold
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