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With a single 150-mH inductor in a circuit with a 60 Hz voltage source, a current of 1.6 Amp is measured on an ac ammeter.
a) Compute the rms voltage of the source?
b) Find the phase angle between the current and that voltage?
two intereference patterns have similar bright fringe spacing but one has bright maxima that are more sharply defined
Charges q1=+2.20 × 10-5 C and q2=-2.40 × 10-4 C are placed at rest 66.5 cm apart. How much work must be done by an outside agent to move these charges
A two-stage rocket accelerates from rest at +3.27 m/s^2 for 6.82seconds. It then accelerates at +2.98 m/s^2 for another 5.90seconds. After the second stage, it enters into a state of freefall.
A lens system consists of two lenses18.0 cm apart. The first lens is convex (converging) and has a focal length of 9.90 cm. An object is placed 3.96 cm in front of the first lens and produces an image 9.90 cm behind the second lens. What is the focal..
Light is incident from one medium with an index of refraction of 2.29 at an angle of 29.12 degrees with respect to the normal to the surface. The light then passes into another medium with a refractive index 1.44. With what angle is the light refr..
What is magnitude of the gravitational attraction
find the magnitude of her centripetal acceleration. A small box is held in place against a rough vertical wall by someone pushing on it with the force directed upward at 27{rm ^circ} above the horizontal.
Two 40.0 µF capacitors in parallel are connected across a sinusoidal ac generator operating at 60.0 Hz. how much current passes through each capacitor
at 445 ordmc calculate the equilibrium concentration of hi when 0.500 m hi 0.0200 m h2 and 0.0200 m i2 are placed in a
Two particles with masses 4m and 3m are moving toward each other along the x axis with the same initial speeds vi. Find the final speeds of the particles
Suppose that 0.10mol of argon gas is admitted to an evacuated 50cm3 container at 20° C. The gas then undergoes isobaric heating to the temperature of 300°C. What is the final pressure of gas? What is the final volume.
a physics professor claims in court that the reason he went through the red light lambda 660 nm was that due to his
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