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a) Calculate the shear modulus (G) of 1040 carbon steel. b) Using the shear modulus value calculated in part a, calculate the angular displacement corresponding to a shear stress of 200 MPa. Please
Locate and identify the four inner atoms by their positional parameters. Show one coordination polyhedron around a Ge atom.
For a piece of material, the steady-state flow across its thickness is 0.345x10^-3 kg/m^2 *h on the low pressure surface, calculate the thickness of the material (in mm). D = 12x10^-10 m^2/s. Pleas
A 46.0 g ball of copper has a net charge of 1.9 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)
Calculate the energy (in kJ/mol) for vacancy formation assuming that the density of the metal remains the same over this temperature range.
(a) An electron has an initial velocity of 2.00 106 m/s in a uniform 8.00 x 105 N/C strength electric field. The field accelerates the electron in the direction opposite to its initial velocity. (b) H
Calculate the number of vacancies per cubic meter in some metal at 759°C. The energy for vacancy formation is 0.82 eV/atom.
What is the magnitude and direction of the electric field halfway between them?
What is the ratio of the speed of waves on the shorter string to the speed of waves on the longer string?
A guitar string with a linear density of 2.0 g/m is stretched between supports that are 61 cm apart. The string is observed to form a standing wave with three antinodes when driven at a frequency o
A 410-mL spherical flask contains 0.075 mol of an ideal gas at a temperature of 313 K. What is the average force exerted on the walls of the flask by a single molecule?
A lens with a focal length of 15cm is placed 50cm in front of a lens with a focal length of 5cm. how far from the second lens is the final image of the object infinitely far from the first lens?
What is the frequency of the oscillations? What is the angular frequency of the oscillations? What is the amplitude? What is the maximum speed of the glider?
A lens with a focal length of 15 cm is placed 45 cm in front of a lens with a focal length of 5.0 cm. How far from the second lens is the final image of an object infinitely far from the first lens
A mass on a string of unknown length oscillates as a pendulum with a period of 2.2s . Parts A to D are independent questions, each referring to the initial situation. What is the period if the mass
If a person can jump a maximum horizontal distance (by using a 45° projection angle) of 4.72 m on Earth, what would be his maximum range on the Moon, where the free-fall acceleration is g/6 and
Find the edge dimension of each cube, which represents an estimate for the spacing between atoms.
It undergoes a reversible isothermal expansion to 0.3 MPa. Methane can be considered an idea gas under these conditions. How much heat is transferred?
How much work is required to turn an electric dipole 180° in a uniform electric field of magnitude E = 42.0 N/C if p = 2.50 10-25 C·m and the initial angle is 47°?
If the charge q is produced by adding electrons to the mass, by how much will the mass be changed?
What were the initial charges on the spheres? Since one is negative and you cannot tell which is positive or negative, there are two solutions. Take the absolute value of the charges and show the sm
A train pulls away from a station with a constant acceleration of 0.43 m/s^2. A passenger arrives at a point on the station platform 5.0 s after the end of the train passed the very same point. Wha
A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall (outside of the tank). The tank's walls are 2.5 cm thick, but a goldfish inside the tank
As a helicopter carrying a crate takes off, its vertical position (as well as the crate's) is given as: y(t) = At^3 where A is a constant and t is time with t = 0 corresponding to when it leaves the
The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.038 m relative to its unstrained length. Determine (a) the possible algebraic signs and (b) the