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A 0.250 kg mass is moving on the end of a spring (k =3.50 N/m) and is damped by a force: Fx = -bvx.
a) If the constant b = 0.860 kg/s, what is the frequency of the oscillation?
b) For what value of b would the motion be critically damped?
What is the total charge of the plutonium nucleus? (The neutral plutonium atom has 94 electrons.), What is the magnitude of the force on an electron at a distance of 9.75 Angstrom from the plutonium nucleus
When a resistor is connected across the terminals of an ac generator (104 V) that has a fixed frequency, there is a current of 0.545 A in the resistor. determine the impedance of the series combination
A mass attached to a spring vibrates 7 times in 22.19 seconds. What is the angular frequency (in radians/second) of the mass
A 110 turn square wire coil of area 0.040 m2 rotates about a vertical axis at 1700 rev/min, Calculate the maximum emf induced in the coil by the Earth's field
A solid uniform 38.9kg ball of diameter 36.2cm is supported against a vertical frictionless wall using a thin 30.0cm wire of negligible mass. how hard does the ball push against the wall
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Consider an electron in the n = 7 state hydrogen. What is the magnetic field produced by this current loop at the nucleus
A sea lab 5.0 m high is to be designed to withstand submersion to 150 m, measured from sea level to the top of the sea lab. Calculate the pressure on top of the sea lab
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A ball has a diameter of 3.9 cm and average density of 0.0839 g/cm3. What force is required to hold it completely submerged under water
why circular orbit of the particle encloses a magnetic flux.
Suppose for a brief moment the gas molecules hitting a wall stuck to the wall instead of bouncing off the wall. How would the pressure on the wall be affected
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