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A step-down transformer has a turns ratio of 1:10, and its primary is connected across the terminals of a standard 120-V wall socket. What power P is dissipated in the resistor
A copper wire is 2 meters long. when a certain load is hung from the wire, making sure the wire is straight, how much does each inter-atomic bond stretch
A series AC circuit contains a resistor, an inductor of 210 mH, a capacitor of 5.40 µF, and a source with Î"Vmax = 240 V operating at 50.0 Hz. Calculate the resistance in the circuit
When we look at a particular star, we are seeing it as it was 103 years ago. How far away from us (in meters) is the star
the escape speed starting from the surface of the earth is 11.2 km/s(neglecting any effects of the earth's orbital motion, what would be the escape speed from that planet
A future space station in orbit about the earth is being powered by an electromagnetic beam from the earth. What are the rms values of the electric and magnetic fields
Three balls with masses of 3.0 kg, 1.0 kg, and 5.0 kg are located at coordinates (8.0m,8.5m), (8.5m,4.5m), and (4.5m,1.0m), What is the x-coordinate of the center of mass
A wire has a length of 6.63 Ã- 10-2 m and is used to make a circular coil of one turn. compute the maximum torque that this coil can experience
An RLC circuit is set up with a 350 mH inductor, a 6.8 mF capacitor and a 550 W resistor. Sketch the phasor diagram for this circuit
A spring with an elastic constant of 26 N/m, and want it to oscillate once every 0.75 seconds. What mass would you need to attatch to the spring
An unknown nucleus has twice the volume of a nucleus with 62 nucleons. What is the atomic mass number of the unknown nucleus
For lead 82Pb207 (atomic mass = 206.975880 u) obtain the mass defect in atomic mass units,
The objective lens in a microscope with a 25.0 cm long tube has a magnification of -50.0 and the eyepiece has a magnification of20.0. What is the focal length of the objective
A particle of charge 1.2mC is located 1mm inside of uniform charge of 3.2mC that has an inner radius of 5.0cm, What is the magnitude of the net electrostatic force on the particle
What would the first allowed orbital be for a particle whose mass is 2 x 10 ^ -39 kg and velocity was 30% the speed of light
Planet Z is 1.00x10^4 km in diameter. The free fall acceleration on Planet Z is 5.00 m/s^2. What is the free fall acceleration
Estimate the particle density necessary for bose-Einstein condensation of a hydrogen gas to occur at 100 nK. find the ratio of the thermal wavelength to the atom spacing
A helium-neon laser (λ = 632.8 nm) is used to calibrate a diffraction grating. find the spacing between adjacent grooves in the grating
Light of wavelength 5.70 x 102nm passes through a slit of width 0.210 mm. Determine the width of the first-order bright fringe
A student sits on a rotating stool holding two 2.0-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
In the process represented in the figure, 2.4 moles of an ideal monatomic gas start at state a, with pressure 1 atm (1.01*10^5 N/m^2), Find the net work done by the gas in one cycle
A 15.0 kg loudspeaker is suspended 2.50 m below the ceiling by two 3.10m long cables that angle outward at equal angles
A laser light passing through a double slit creates a diffraction pattern with maxima 1 cm apart. what is the distance between adjacent minima
The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. What is the temperature of the liquid
there are 4 charges located on the corners of a square of side d. q1(top left = +1q) q2(top right= -1q), compute the electric potential at the center of the square