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A cubical piece of heat-shield tile from the space shuttle measures 0.12 m on a side and has a thermal conductivity of 0.072 J/(s m · C°). The outer surface of the tile is heated to a temperature of 1090° C, while the inner surface is maintained at a temperature of 18.0° C.
(a) How much heat flows from the outer to the inner surface of the tile in six minutes?
(b) If this amount of heat were transferred to two liters (2.0 kg) of liquid water, by how many Celsius degrees would the temperature of the water rise?
A motorcycle accelerates uniformly from rest and reaches a linear speed of 20.4 m/s in a time of 8.91 s. What is the magnitude of the angular acceleration of each tire
Neglecting air resistance, how fast is it going when it hits the balloon? Illustrate what is the acceleration of the cannonball just before it hits the balloon?
An 8.0cm diameter, well-insulated vertical cylinder containing nitrogen gas is sealed at the top by a 5.8kg frictionless piston, What is the gas pressure inside the cylinder
Find the Inertia Tensor for a uniform, thin hollow cone, such as an ice-cream cone, of mass M, height h, and base radius R, spinning around its pointed end
A moving particle encounters an external electric field that decreases its kinetic energy from 9910 eV to 6840 eV as the particle moves from position A to position B.
An 8.00 point mass and a 15 point mass are held in place 50 apart. A particle of mass is released from a point between the two masses 13.00 from the 8 mass along the line connecting the two fixed masses.
A hydrogen atom in its ground state is excited to the n = 5 level. It then makes a transition directly to the n = 2 level before returning to the ground state. What are the wavelengths of the emitted photons
Perpetual motion machines have fascinated people especially inventors for hundreds of years before the laws of thermodynamics became known. Ideally, once energy is added to start a perpetual motion in machine, the machine would continue to operate..
A electron emits radiation of wavelength 255 nm Calculate the maximum kinetic energy of the electron ejected, Calculate the de Broglie wavelength of the ejected electron
Physicists model a magnetic field by assigning to every point in space a vector that represents the strength and direction of the field at that point, What is the combined magnetic field at this point
A platform is rotating with an angular speed of 3.00 rad/s and an angular acceleration of 11.0 rad/s2. what is the magnitude of the total acceleration a
A student sits on a rotating stool holding two 3.9-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
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