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Water (viscosity = 1centipoise) flows through a cylindrical plug in a laboratory experiment. The data for the experiment are:
Plug length=10cm
plug diameter=2cm
pressure at the inlet=10^(6) dynes/cm^(2)
pressure at the outlet=10^(5) dynes/cm^(2)
flow rate= 1cm^(3)/sec
what is the permeability of the sample in cm^(2)?
What is the resistance of the light bulb? A light bulb is wired in series with a 120-? resistor, and they are connected across a 120.0-V source
How might a magician make the Statue of Liberty disappear? Imagine that you are sitting with some spectators on a circular platform that, unknown to all of you, can rotate very slowly. It is evening, and you can see the Statue of Liberty a short dist..
Vector A points in the negative y direction and has a magnitude of 3 units. Vector B has three times the magnitude and points in the positive x direction. Find out the direction and magnitude of the following vectors.
A golfer drives a 0.046kg golf ball from an elevated tee, giving the ball an initial horizontal velocity of 45 m/s. (a) what is the magnitude of the average force exerted by the club on the ball if the contact time for the golf club on the ball du..
A 2.10 x 10^3 kg car starts from rest at the top of a 4.70 m long driveway that is inclined at 25° with the horizontal. If an average friction force of 4.0 x10^3 N impedes motion, find out the speed of the car at the bottom of the driveway.
In a spherical metal shell of radius R, an electron is shot from the center directly toward a tiny hole in the shell, What is the magnitude of the electron's acceleration
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 2.60 cm. (a) What is the work done by the field on the electron? J (b) What is the change in..
A Carnot engine has an efficiency of 0.361, and the temperature of its cold reservoir is 406 K. (a) Determine the temperature of its hot reservoir. (b) If 5950 J of heat is rejected to the cold reservoir, what amount of heat is put into the engine..
Find the probability that the electron will tunnel through the barrier.
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V highest potential difference operating at 5000 rad/s .
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time.
A 545-turn circular-loop coil with a diameter of 18.8 cm is initially aligned so that its plane is perpendicular to the Earth's magnetic field, What is the value of the Earth's magnetic field
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