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Rolling tire
A tire of radius R rolls in a straight line without slipping. Its center moves with constant speed V. A small pebble lodged in the tread of the tire touches the road at t = 0. Find the pebble's position, velocity, and acceleration as functions of time.
An ideal compressor compresses 12 kg/min of air from 300K and 100 KPA isothermally to a final pressure of 600 KPA. Determine the power and heat transfer in kW.
The virial equation of state for n-butane at 460K is Z=1+A/V+B/V^2 in which A =-265 cm^3/g and B= 30250 cm^6/(g*mole^2). Calculate the work required to reversibly compress one mole of n-butnae from 50 atm to 100 atm at 460K
A rock is thrown straight down from the top of a cliff overlooking a canyon with an initial velocity 60 ft/sec and it hits the bottom of the canyon in 9 seconds. Determine the height from which the rock was thrown
Examine the influence of the vibration on the grain size, microstructure and mechanical properties of aluminium-silicon alloys (Al-Si) during solidification.
Estimate (a) the wing span, (b) the aspect ratio, and (c) the induced drag. Take density of air to be 0.7 Kg/m3. Assume that the factors for induced drag and the lift slope, d and t, respectively, are equal to 0.01; i.e., d = t = 0.01.
A living plant leaf is an open system that exchanges energy (sunlight and thermal flows) + matter (O2, CO2, water vapor, etc.) with the surroundings (the exterior). Even with irreversible processes (energy dissipation) we find that the net entropy ch..
Determine the phase or phases in a system consisting of H2O at the following conditions and sketch P-v and T-v diagrams showing the locations of each state:
a boom for a crane is shown in the horizontal position. if w1kn determine the force for supporting memebers ac ab ad
For a tall column resting on the ground, axial stress develops due to the columns weight. (a) Derive the stress as a function of position z measured from the bottom of the column, and the total contraction of the column.
an electrical device is designed to draw 3.5 amps and operates in a voltage range of 22.0 to 24v. a 18 awg copper wire
If a car is parked wiht the velocity of 0, how much kinetic energy does the car have. how come
Anaerobic digestion is a proven means of producing methane from livestock waste. To provide for the space heating, water heating, and cooking needs of a typical farm dwelling in your locale, determine the size of the anaerobic digester and the num..
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