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A ball is dropped from a boat so that it strikes the surface of a lake with speed 16.5 ft/s. While in the water, the ball experiences an acceleration of a=10-.8v. Knowing that the ball takes 3 seconds to hit the bottom of the lake, find the depth of the lake and the speed of the ball when it hits the bottom.
fluid mechanics boundary layer
the hull of a boat has a volume of 150 m3 and the total mass of the boat when empty is 8560 kg. determine how much load
describe possible methods that can be used to separate materials such as polymers, aluminium alloys and steels from one another.
Analyse the operational characteristics of the current system / component available in the market and future systems yet to come into production. Analyse the effect of the system on the environment and its sustainability.
the man pulls the boy up to the tree limb by walking backward. if he starts from rest when 0 and moves backward with a
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
Steam at 1000kPa and 300deg C expands to a pressure of 150kPa in a cylinder. If PV = constant during the process, calculate W, Q and delta S for the process.
Design the number of teeth and depth of teeth need be chosen. Considerations include the turn angle for each stroke, the bearing stress on the teeth and pins and shear stress on the teeth.
A power plant operates a regenerative Rankine cycle with a reheat, one closed and one open feedwater heater and has a net power output of 1.2 x 109 Btu/hr. When the steam exits the boiler it's temperature is 1000°F and its pressure is 1400psi...
what were the flaws in your experiment? what sort of reproducibility does your experimental procedure yield? 4. how
A heat pump uses refrigerant-134a as the working fluid in an ideal vapour-compression refrigeration cycle between 0.14 and 0.8 MPa. The refrigerant leaves the compressor at a temperature of 40° C. Determine the pressure, temperature and enthalpy a..
Verify that heating the wire may be treated as a lumped-capacity process, find the steady-state temperature of the wire and find how long it takes for the temperature of the wire to reach 100°C.
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