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A 210 Volt (rms), 50 Hertz power supply is connected to a 4750 μF capacitor.
Part A. Compute what the capacitor reactance.
Part B. Compute what the peak current.
Part C. Compute the peak current if the power supply's frequency is changed to 60 Hz?
You are using a lens to create real image on a screen. You then slide the screen therefore that it is farther from the lens. The image will change by becoming:
A 41.0 kilogram ballet dancer stands on her toes during a performance with four square inches (26.0 cm2) in contact with the floor. Evaluate the pressure exerted by the floor over the area of contact
An electron is released from rest1.5cm from an infinite charged plane. It accelerates toward the plane and collides with a speed of3.0107m/s. What is the surface charge density of the plane
A power boat heads due northwest at 13m/s relative to the water across a river that flows due north at 5m/s. What is the velocity(both magnitude and direction)of the motorboat relative to the shore?
Through a particular process, the pressure of the gas in a heat engine increases from 1.15×105 Pa to 2.37×105 Pa, while the volume increases from 2.33×102 m3 to 2.89×102 m3. The pressure-volume graph is a straight line.
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 52 dB by an observer 10 kilometer away. Obtain the average power generated by the horn
The one-dimensional parity operator pi is defined by pi psi (x) = psi (-x) In other words, pi changes x into –x everywhere in the function. Is pi a Hermitian operator? For what potentials V(x) is it possible to find a set of wavefunctions which are e..
A spherical capacitor contains a charge of 3.40nC when connected to a potential difference of 250V. Calculate the radius of the inner sphere
A 518- physics student stands on a bathroom scale in an 846- (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 464. Find the magnitude of the acceleration of the elevator
No photoelectrons are emitted from a certain metallic surface when the momentum of the photons striking the surface is smaller than p0= 1.6x10^-27 kg m/
Three moles of an ideal monatomic gas are at a temperature of 377 K. compute the final temperature of the gas?
A 2.1g plastic bead charged to -5.0nc and a 3.6g glass bead charged to 18.0nc are 1.6cm apart (center to center).what are the magnitudes of the accelerations of the plastic bead and the glass bead? What are the directions of the accelerations of the ..
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