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A speech signal has a total duration of 20 sec. It is sampled at the rate of 8 kHz and then PCM encoded. The signal-to-quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is ?
Four identical metallic objects carry the following charges: +1.68, +6.03, -4.64, and -9.66C. How many electrons (or protons) make up the final charge on each object
The strength of the magnetic field within a solenoid is B = 3.4 × 10-2 T, single loop is placed in the solenoid parallel to the plane of each loop in the solenoid, What is the total number of turns of the solenoid
A 28.0 g object moving to the right at 18.0 cm/s overtakes and collides elastically with a 9.0 g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collision
If light is measured traveling through some medium at 0.90c, where c represents the speed of light in a vacuum, what is the index of refraction of the medium
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. How fast are the waves traveling
A frictionless block of mass 1.95 is attached to an ideal spring with force constant 340 . At the spring is neither stretched nor compressed and the block is moving in negative direction at a speed of 12.6.
A car travels at a constant speed around a circular track whoseradius is 3.26 km. The car goes once around the track in 253 s. What is the magnitude of the centripetal acceleration of the car?
A charge q is distributed uniformly around a thin ring ofradius r. What is the direction of this magnetic moment if the chargeis positive
In a paramagnet with spin-1 dipoles, each dipole can take on 3 stages: -1, 0 and +1, relative to the direction of the magnetic field, Derive an expression for the partition function for this dipole
In preparation for an experiment that you will do in your introductory nuclear physics lab, you are shown the inside of a Geiger tube. Calculate the capacitance of your tube
A liquid with a density of 1680 kg/m3 flows through a horizontal pipe with varying cross section. Determine the pressure in the second section
A 53.5 kg pole vaulter running at 11.4 m/s vaults over the bar. Her speed when she is over the bar is 1.14 m/s. determine her altitude as she crosses the bar
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