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Analyze how increasing the investment tax credit given to firms that make expenditures on new capital affects the dispersion of earnings. (For a review of relevant concepts, see chapter 4.)
A storage tank has a Diameter of 20ft and a height of 10ft. The output volumetric flow from this tank is given by fout(t)=2h(t) where h(t) is the height of the liquid in the tank. At a particular time the tank is at steady state with an input flow..
An ND:YAG laser in the lab emits light at 1064 nm. The laser is light is directed into a slab of silicon, which has an index of refraction n = 4. a. What is the relative permittivity of Si at this wavelength (Hint: Si is non-magnetic.)
A 120V wye connected, 60Hz synchronous motor has a synchronous reactance of 3 ohms and an armature resistance that can be ignored. The motor draws 17 kVA at 0.8 pf leading. What is the motor armature current
To understand this, imagine we paint one of the blades of an airplane propeller so that we can identify it from the other blades. We will then turn the propeller at 33 rotations per second, in a clockwise direction.
50 kmol per hour of air is compressed from p1 = 1.2 bar to P2 = 6.0 bar in a steady-flow compressor. Delivered mechanical power is 98.8KW. Temperature and velocities are: T1= 300K T2= 520K u1= 10m s^-1 u2= 3.5m s^-1
The inductance of an air core coil is 0.08H, and the effective resistance is 4 ohms when a 60V, 50Hz source is connected across the coil. Find the current passing through the coil and the reading of a watt meter across the coil.
Find the estimator g(Y) of X, in terms of F, that minimizes the mean square error MSB: = E[(X - g{Y))2],
A disk located at 0
1. The current in a circuit is 1 amp. What will the current be when the voltage is increased by 50% 2. A 10ohm resistor is connected across a 12 V battery. How much current is there through the resistor
A linear time-invariant system is described by the difference equation y[n]=x[n]+x[n-4] (a) Find its impulse response h[n]. (b) Find its system function H(z). (c) Plot the poles and zeros of H(z) in the z-plane.
design a circuit using an inverting amplifier that will produce a +- 10-V output signal corresponding to the bed position and deliver it to a 1k load. The output should be 0V at when the bed is in the center position
Assume that an antenna has a power input of 50 W and a gain of 30 dB relative to an isotropic radiator. Determine the increase in dB of the received signal at a point where the signal strength is 5 dB below the level of maximum radiation
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