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A copper wire of length 33.0 cm is in a magnetic field of 0.70 T.
If it has a mass of 14.0 g, what is the minimum current (in Amperes) through the wire that would cause a magnetic force equal to its weight?
A 5.60 kg of mass is pressed against a spring with a spring constant of 12500 N/m. how high above the ground does it go before coming to a stop
needing help the secretary of the united states department of agriculture asked your teacher if a chicken-and-a-half
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling allyl alcohol (97°C). What pressure would be found at the freezing point of water
A 25-? resistance is connected in series with a 30-mH inductance and a 12-µF capacitor, obtain the power dissipated in the circuit
A cement block accidentally falls from rest from the ledge of a 82.4 -m-high building, How much time, at most, does the man have to get out of the way
An electron and a positron, each moving at 3.0*10^5 m/s, collide head on, disappear, Determine the momentum of each photon
Conclude the electric field at the origin
An audio amplifier, represented by the AC source and the resistor R, delivers alternating voltages at audio frequencies to the speaker. what is the average power input into the speaker
If the highest acceleration the vehicle's brakes are capable of is -5 m/s2, what is the maximum reaction time of motorist that will allow her or him to keep away from hitting the deer.
Two loudspeakers in a 20°C room emit 629 Hz sound waves along the x-axis, If the speakers are out of phase, what is the smallest distance between the speakers for which the interference of the sound waves is constructive
A playground merry-go-round (uniform disk with mass M=150kg and radius R=2m) rotates on a frictionless axle through its center. What is the kinetic energy of the child-merry-go-round-system
A diffraction pattern forms when light passes through a single slit. The wavelength of the light is 670 nm. Determine the angle that locates the first dark fringe
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