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Two straight and parallel wires of length 1.0 m carry a current - the first carries a current of 9.0 A while the other wire carries a current of 4.0 A. What distance must separate the two straight and parallel copper wires if the force between them is to be 6.0 × 10-6 N?
The mass of an atom can be determined by ionizing it and accelerating it through a known electric field followed by a known magnetic field. The ion's circular path is then measured. Calculate the mass of a chlorine anion of charge 3.20 × 10-19 C if it follows a circular path of radius 0.862 cm after it has been accelerated through a potential difference of 2.5 × 102 V and the exposed to a uniform magnetic field of strength 3.00 T.
Introductory Mechanics: Calculate the smallest coefficient of static friction
When a barium titanate dilelectricslaab completely fills the space between the plates and thecapacitor is connected to a 9.0 V battery, what is the electric field magnitude inside the capacitor?
A long, narrow rectangular loop of wire is moving toward the bottom of the page by a speed of 0.019 m/s. The loop is leaving a region in which a 2.1 T magnetic field exists; the magnetic field outside this region is zero.
What is the energy in eV of (a) a 100 MHz radio-frequency photon, (b) a visible light photon with a wavelength of 500 nm, and (c) an X-ray photon with a wavelength of 0.10 nm?
At room temperature a Nitrogen molecule,with mass of 4.76*10^-26 kg typically has a kinetic energy of 5.6*10^-21 J. How fast is it moving
At some instant, an alpha particle(q=+2e) has the coordinates(3.0,0.0,0.0)(nm) and is moving along the positive x-axis with 500km/s while an electron at (0.0,4.0,0.0)(nm) is moving along the negative y-axis with 1000km/s. Find the magnitude and di..
A speedboat starts from rest and accelerates at +2.15m/s2 for 8.35 s. At the end of this time, the boatcontinues for an additional 8.62 s with an acceleration of +0.629m/s2. Following this, the boat accelerates at -0.968m/s2 for 8.87 s.
a person takes a trip driving with a constant speed of 95.5 kmh except for a 22.0-min rest stop. the persons average
Explain how the discovery of cathode rays contributed to the development of atomic models.
A 100 mg pith ball hangs by a thread in the center of a parallel-plate capacitor. The capacitor plates are 5.0 cm x 5.0 cm, Draw a free-body-diagram of the pith ball
What work is done when a 2 C is moved through an electric potential difference of 2 V? Calculate to two decimal places
a rubber ball is dropped from a height of 2.0m. after each bounce it returns to a height of 23 its starting height.i
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