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An infinitely long cylinder of radius 4.0 cm carries a uniform volume charge density r = 200 nC/m3. What is the electric field at r = 4.1 cm?
Your are sitting in your car, which is standing at the side of the road with the engine idling. In the rearview mirror, you see one of your class mates approaching on a bicycle on the sidewalk.
A baseball is thrown with 34.8 m/s at an angle of 40.8 degree above the horizontal. It is caught at the same height by another player a distance of 38 yards away. What is the speed of the ball, jus
In this exercise, we will use the principle of angular momentum to eventually derive the moment of inertia integral. For each case, ?nd the angular momentum HO of the system and match your result wi
A uniform line charge of linear charge density l = 10.0 nC/m extends from x = 5 m to x = 8 m. The magnitude of the electric field at the point y = 5 m on the perpendicular bisector of the finite lin
A disk of radius b = 10.0 cm has a total charge of Q = 8.0 pC. What is the surface charge density?
A uniform line charge of linear charge density l = 5.00 nC/m extends from x = 0 to x = 10 m. The magnitude of the electric field at x = 12 m is
What is the magnitude of the angular acceleration of a 25.0-kg disk of radius 0.800 m when a torque of magnitude 40.0 N · m is applied to it?
Explain specific heat is different for constant pressure and constant volume and monatomic, diatomic and plyatomic gases.
The wavelength of a 63.7-MHz electromagnetic wave is approximately
The intensity of a laser beam is 450 W/m^2. What is the rms value of the electric field of this laser beam? (careful-rms, not peak)
A particle (m = 3.0 µg, q = 5.0 µC) moves in a uniform magnetic field given by (60j)mT. At t = 0 the velocity of the particle is equal to (30j - 40k) m/s. The subsequent path of the part
A 0.072m X 0.045 m steel beam of length 3.7m is heated from 293Kelvin to 372Kelvin. What is the new length of the beam? What is the strain in the beam?
An 14 m by 8.5 m house is built on a concrete slab 27 cm thick. What is the heat-loss rate through the floor if the interior is at 28 degrees celcius while the ground is at 18 degrees celcius?
A piece of copper at 320 degrees celcius is dropped into 1.9 kg of water at 16 degrees celcius. If the equilibrium temperature is 21 degrees celcius , what is the mass of the copper?
a) Write down the time dependent schrodinger equation for an electron trapped in a one-dimensional infinite potential well of 130 pm wide
The wall is 0.12 m thick and has an area of 9.9 m2. Assume that one kilowatt · hour of electrical energy costs $0.15. How many hours are required for one dollar's worth of energy to be conduc
If this amount of energy were used to accelerate the ice from rest, what would be the linear speed of the ice?
Three portions of the same liquid are mixed in a container that prevents the exchange of heat with the environment.
The ruler has a cross-sectional area of 1.70 x 10-5 m2, and it is made from a material whose coefficient of linear expansion is 2.00 multiply.gif 10-5 (C°)-1. What is Young's modulus for the mater
An ideal gas in a balloon is kept in thermal equilibrium with its constant temperature surroundings. How much work is done if the pressure is slowly reduced and the balloon expands to 5.0 times its
A 100 g ice cube at -10° C is placed in an aluminum cup whose initial temperature is 70° C. The system comes to an equilibrium temperature of 20° C. What is the mass of the cup?
You have a mechanism by which you can use a magnetic spectrograph to chose the energy of the beta rays from a 137Cs source. Your spectrograph only allows beta rays of 0.8 MeV to exit.
A frictionless pulley in the shape of a solid cylinder of mass , M=3kg and radius R=0.4, is used to draw water from a well. A bucket of mass, m=2kg, is attached to a cord wrapped around the cylinddr