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According to Archimedes' principal, the mass of a floating object equals the mass of the fluid displaced by the object. Use this principle to solve the following problems.
(a) A wooden cylinder 30.0 cm highs gloats vertically in a tube of water (density = 1.00 g/cm cube). The top of the cylinder is 14.1 cm above the surface of the liquid. What is the density of the wood?
(b) The same cylinder floats vertically in a liquid of unknown density. The top of the cylinder is 20.7 cm above the surface of the liquid. What is the density of the liquid?
An inventor claims to have perfected an engine that wil produce power from energy transferred as heat from a 1000K flame. Energy wil be rejected as heat to the ground at 290 K. A 75 percent energy conversion efficiency is claimed.
An industrial load consumes 88 kW at a power factor of 0.707 lagging from a 480 Vrms line. The transmission line resistance (Rline) from the power company's transformer to the plant is 0.08 Ohms.
The measurement of a current is repeated five times. The measured values are: 0.62, 6.21. 6.23, 6.18 and 6.24 mA. a. What type or types of errors might be involved: mistakes, systematic errors, random errors
(a) Find the polarization state of the transmitted beam, assuming that the incident beam is linearly polarized in the y direction. (b) Show that a half-wave plate will convert right-hand circularly polarized light into left-hand circularly polariz..
An angle-modulated signal with carrier frequency ???ωc=2πx106 is described by the equation φEM(t) =10cos(ωct +0.1sin200πt) (a) find the power of the modulated signal. (b) find the frequency deviation Δf. (c) find the phase deviation ΔΦ.
An electron describes periodic oscillations in the direction of the axis "z" with amplitude of 1 nm (nano meters) around a ring, if the ring has a total charge of 100e with a radius of 50 nm (nano meters) . Determine load osilacion and maximum spe..
A CT signal x(t) can be depicted as follow. It is a periodic function with T0 = 1 micro sec, and amplitude A = 1. The second signal y(t) is a sinusoid function with the fundamental frequency of 900 MHz, i.e., y(t) = cos(2*pi*fc*t)
To the dismay of scientists on earth, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 26.0m/s .If nothing is done to correct its orbit
Assume the temperature is 300K and mobilities are u_n = 1300 cm^2/Vs and u_p = 450 cm^2/Vs. a. What are the majority and minority carrier concentrations b. What is the resistivity of the sample c. What is the resistance (end-to-end) of the sample
Calculate the number of resistors and switches needed for a resistor ladder DAC for each case: a. 3 bit DACb. 7 bit DAC c. 25 bit DAC d. 42 bit DAC
Use Laplace transform techniques to find the solution to the following differential equation given that x = 1/3 at t = 0.
List three standard socket calls that you would expect every connection-oriented server to invoke that would not normally be invoked by any client. Briefy indicate why a typical client would not need to invoke these calls.
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