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The combustion of 1.00 mole of octane, C8H18, yields 8 moles of CO2, 9.00 moles of H2O, and 47.0 moles of N2. The exhaust gases at 811 K, 0.172 MPa from a spark ignition engine are to be expanded through a turbocharger used to compress the incoming air charge to the engine.
The incoming air is at 20.0°C and atmospheric pressure, and the turbocharger turbine exhausts to the atmosphere (Figure below).
Find the compressor's isentropic outlet temperature T2 and its isentropic power input per unit mass flow rate (WC/m)s.
You stand on the surface of the moon (which is too small to have an atmosphere) and throw a rock of mass 2.50 kg straight upward with an initial speed 40.0 m/s. What maximum height above the surface of the moon will the rock reach.
A device used in radiation therapy for cancer contains 0.83 g of cobalt-60 (59.933 819 u). The half-life of this isotope is 5.27 yr
The intensity I of light from an isotropic point source is determined as a function of distance r from the source. What is the power of the source
The two conducting rails in the drawing are tilted upwards so theyeach make an angle of 30.0° with respect to the ground.
Sketch a graph of the acceleration versus time directly below the velocity-time graph, again aligning the time coordinates. On each graph, show the numerical values of r and a, for all points of inflection.
consider the cascade of two 300l tanks shown in the figure below. suppose that tank 1 initially contains 300litres of
two charged particles, Q1=+4.60 nC and Q2=-2.50 nC, are separated by 32.0 cm. What is the eletrical potential energy of the pair
A Light from a 556-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 51°. What is the angle of reflection (in degrees) from the surface
An initially uncharged 3.87-?F capacitor and a 6.99-k? resistor are connected in series to a 1.50-V battery that has negligible internal resistance. What is the initial current in the circuit, expressed in milliamperes?
At Sea World, a 32.0-kg seal slides down aramp into the pool below. What is the work is done by kinetic friction
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. How far (in km) must he now travel to reach base camp
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