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Sketch the electric field and equipotential lines associated with a 6 coulomb negative charge and a 3 coulomb positive charge. what is the force between the charges
Over a year's time, a person receives a biologically equivalent dose of 21 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
RLC alternating current circuit with a 25 ohm resistor, What is the average power when operating at twice the resonant frequency
Two 20 microfarad capacitors are wired in parallel with each other in series with a single 5 ohm resistor. What is the maximum energy stored in the capacitor
A 12 volt battery powers a circuit that consists of a ten ohm resistor in series with a ten ohm and a 15 ohm that are in parallel. How much current flows through the 15 ohm resistor
two parrel,very long straight wires separated by 10 cm are carrying 2.0 A and 4.0 A in opposite direction. where the magnetic field is Zero
The walls of a blackbody cavity are at a temperature of 27 degrees C. find the frequency of the radiation of maximum intensity
A 12mm-high object is 10cm from a convex mirror with focal length 17cm. How far is its image from the mirror
A lightbulb is 48 cm from a convex lens, and its image appears on a screen located 31 cm on the other side of the lens. By how much is the image enlarged or reduced
A current of 2.0 A is flowing along the z-axis in the positive z direction from the origin to z=-2 m. Find the magnetic field, Which field is the strongest and Why
A 119-turn circular coil of radius 2.01 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. calculate the magnitude of the average EMF
Two electrons, both with speed 1.0x10^4 m/s, are shot into a uniform magnetic field. The first is shot from the origin out along the + x-axis, compute the magnitude and direction of the magnetic fie
A blender is switched to a lower speed and the angular velocity of its blade decreases uniformly from 52 rad/s to 12 rad/s. Through what angle does the blade turn during this time
A 3 kg block initially traveling at 5 m/s collides with a 1 kg block (initially at rest) sitting near the base of a hill. how high up the hill do the two blocks slide after the collision
A uniform solid sphere of mass 1.5 kg and diameter 30.0 cm starts from rest, What is the speed of the center of mass of the sphere when it reaches the bottom of the incline
The wave function for a certain electromagnetic wave is given by E = -(2500V/m)cos(9.973x10^6z - 2.992x10^15t)i, what is the intensity of the electromagnetic wave
An engine has a hot-reservoir temperature of 910 K and a cold-reservoir temperature of 530 K. What is the efficiency of the engine
7400 J of input heat to perform a certain amount of work. Engine 2 has an efficiency of 0.33, How much input heat does the second engine require
Multiple-Concept Example 6 provides a review of the concepts that play roles here. What are the input heat and rejected heat
Three moles of a monatomic ideal gas are heated at a constant volume of 1.12 m3. The amount of heat added is 5.89 x 103 J. Determine the change in pressure
A monatomic ideal gas in a rigid container is heated from 212 K to 305 K by adding 7840 J of heat
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of eight grams of argon is raised by 71 K under conditions of constant pressure. how much heat is required
A light wave travels from point A to point B in vacuum. hat is the difference between the number of waves between A and B with and without the glass plate in place
One-half mole of a monatomic ideal gas expands adiabatically and does 520 J of work. Specify whether the change is an increase or a decrease
Six grams of helium (molecular mass = 4.0 u) expand isothermally at 320 K and does 9000 J of work. determine the ratio of the final volume of the gas to the initial volume