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A copper wire has radius r = 0.0245 cm, is 3.05 m long, has resistivity ρ = 1.72 · 10−8 Ω m, and carries a current of 0.360 A. The wire has density of charge carriers of 8.50 · 10^28 electrons/m^3. (When entering units, use ohm for Ω.)(a) What is the resistance, R, of the wire?(b) What is the electric potential difference, ΔV, across the wire?(c) What is the electric field, E, in the wire? (Enter the magnitude of the electric field.)
The work done in accelerating a flywheel from rest to an angular speed of 14.8 revolutions per second is 12.4 kJ. What is the moment of inertia of the flywheel
A 16 mH inductor is connected across an AC generator that produces a peak voltage of 11V. What is the peak current through the inductor
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.415 kg hammer during a 1.20 ms collision
A 100000 liter water tower is to be drained. The pump can pull water out of the tank through a circular opening in the tank at a velocity of 10 meters per second
A 0.2kg marble is launched off the end of a table and can be considered to be in free fall. The initial speed of the marble (Vi) is 2m/s. find the force that the floor exerts on the marble
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 55.1 J, What is the kinetic energy of the system at the equilibrium point
Dirty Harry is attempting to apprehend a dangerous criminal in a cheese shop, What is the magnitude of the Gouda's velocity after being struck by the bullet
A state trooper chases a speeder along a straight stretch of road; both vehicles move at 136 km/h. The siren on the tropper's vehicle produces a sound of 490 Hz. What frequency is heard by speeder? (Take the speed of sound in air to be 343 m/s.)
A 4.60 kg block of ice at 0°C is added to an insulated container partially filled with 11.6 kg of water at 15.0°C. Find the mass of the ice that was melted
Suppose V rms = 240 V for an alternating current power source. What is the amplitude of the voltage for the source
The right-side rearview mirror of Mike's car says that objects in the mirror are closer than they appear. Mike decides to do an experiment to determine the focal length of this mirror. What is the focal length of the rearview mirror
Suppose that a disk rotates through five revolutions in 4 seconds. What is the angular rotational velocity
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