Compute the magnitude of electric field at a point on axis
Consider a disk of radius 2.8 cm with a uniformly distributed charge of +4.4 μC. Compute the magnitude of the electric field at a point on the axis and 3.6 mm from the center. The value of the Coulomb constant is 8.98755 × 109 N · m2/C2 .
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a 50 kg pole vaulter running at 10 m/s vaults over the bar. if the vaulter's horizontal component of velocity over the bar is 1.0 m/s and air resistance is disregarded, how high was the jump?
A bat flying at 4.80 m/s is chasing an insect flying in the same direction. If the bat emits a 40.0-kHz chirp and receives back an echo at 40.4 kHz, what is the speed of the insect? (Take the speed of sound in air to be 340 m/s.)
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A nonreflective coating (n = 1.40) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of a specific wavelength (vacuum = 535 nm), determine the minimum nonzero thickness that the coating can have.
Compute the magnitude of the electric field at a point on the axis and 3.6 mm from the center. The value of the Coulomb constant is 8.98755 × 109 N · m2/C2 .
She coasts for a distance of 17.8 m before coming to the edge of a cliff. Without slowing down, she skis off the cliff and lands downhill at a point whose vertical distance is 4.15 m below the edge. How fast is she going just before she lands?
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What effect do these shifts have on the semiconductor's ability to conduct electricity
A magnetic field of 0.1 T forces a proton beam of 1.5 mA to move in a circle of radius .1m. what is the speed of the proton in the beam as it moves in the circle?
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