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Two thin, positively charged rods are placed along the x-axis and y-axis. Each rod is 3.00m in length, and is a distance 1.00m from the origin. The vertical rod has a linear charge density of Lambda = 3y C/m and the horizontal rod has a linear charge density of lambda = 2x C/m.
a) Find the electric field produced by each rod individually at the origin.
b) Find the magnitude and direction of the total electric field at the origin.
A flywheel with a diameter of 0.877 m is rotating at an angular speed of 146 rev/min. What is the angular speed of the flywheel in radians per second
One hundred turns of insulated copper wire are wrapped around an iron core of cross-sectional area 0.100 m2. find the average current in amperes that flows through the resistor
The fundamental frequency of a standing wave on a 1.3-m-long string is 410Hz. What would be the wave speed of a pulse moving along this string
A 200.0 m long thin wire carries a line charge density ! = 358.0 nC/m. Find the potential difference between points 5.0 m and 6.0 m on a perpendicular radius to the axis of the wire, provided the perpendicular radius is not near either end of the ..
A solenoid is designed to produce a magnetic field of 2.50×10?2T at its center. It has a radius of 1.60cm and a length of 31.0cm , What total length of wire is required
A coil of four circular loops of radius 3.0cm carries a current of 5.0A clockwise, What is the magnetic field at the center of the coil
Comet Halley has an orbital period of about 75 years. Determine the average distance of Comet Halley from the sun in AU
An object with a charge of -4.4?C and a mass of 1.7×10?2kg experiences an upward electric force, If the electric charge on the object is doubled while its mass remains the same, find the direction and magnitude of its acceleration
an improved version of a model of radioactive is to toss a large number of dice instead of coins: each has die that comes up a "one" represent a nucleus that has decayed. what is the half-life in numbers of tosses
q1. the two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1
The current in a coil drops from 3.9 A to 1.8 A in 0.53 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
A refrigerator removes heat from the freezing equipment at the rate of 20kJ and ejects 24 kJ into a room per cycle. How much work is required for each cycle
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