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A wire has a density of 6.4g/cm3 , a gram molecular weight of 62.7g/mole , and 1e-/atom .
What is the number of carriers/volume (n) for this wire?
What is the current density for this wire if the current is 5.7Amp , and the radius is 8x10-4m ?
What is the drift velocity for the electrons in this wire?
What is the time between collisions if the resistivity of the wire is 1.58x10-8\Ohmxm ?
A baby sitter pushing a stroller starts from rest and accelerates at a rate of 0.500m/s2. What is the velocity of the stroller
A system undergoes a two-step process. In the first step, the internal energy of the system increases by 228 J when 166 J of work is done on the system.
Assume you doubled the mass of a clock‘s pendulum (including the rod and the weight at the end) while keeping its dimensions the same. Would the clock run fast or slow?
a stone is dropped from rest from the roof of a 100-m high building 2.00 s after that a second stone is thrown straight
A stone held just beneath the surface of a swimming pool isreleased and sinks to the bottom at a constant speed of 0.48 m/s.What is the apparent speed of the stone, as viewed from directlyabove by an observer who is in air?
An ultralight plane and pilot have a total mass of 194 kg. While executing a banked curve of radius 23 m at a speed of 12 m/s, what is the net force acting on the plane and pilot
The water system in a town is designed by a careless engineer. He places the new water tower at the top of an extremely tall hill, Calculate the minimum height of the water level in the tower
A compact disc, initially at rest, is spun up to an angular velocity of 22 rad/s by a constant angular acceleration of 4.0 rad/s^2. How much time does the disk take to reach maximum velocity
if the velocity of a 5.0 kg object tied to a string is constant at 30 ms when traveling in a vertical circle having a
A parallel plate capacitor has a potential difference between the plates of 80 V. what is the electrical energy stored by this capacitor
An RLC circuit with R = 29.7\Omega , L = 347mH , and C = 48.8\mu F is connected to an ac generator with an rms voltage of 28V . Determine the average power delivered to this circuit
An astronaut in training is placed in a merry-go-round-likedevice that rotates her at high speed in a horizontal circle ofradius 5 m. At what rate does she have to rotate
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