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A copper crystal has a homogeneous dislocation density of 10^10 m-2. what is the approximate elastic strain energy of a screw dislocation per metre. (for Cu the shear modulus is 4 x 1010 Nm-2, Burgers' vector = 0.26 nm)
Consider a fusion reaction in which a proton fuses with a neutron to form a deuterium nucleus. How much energy is released in this reaction
The electric field phasor of an electromagnetic wave in air is given by- E(z) = y 0.750 sin( 250 π z) V/m
Three equal point charges, each with charge 1.70 μC, are placed at the vertices of an equilateral triangle whose sides are of length 0.700 m. What is the electric potential energy, U, of the system
An x-ray beam with wavelength 0.270nm is directed at a crystal. What is the spacing d between the planes of the crystal
a rifle that shoots bullets at 500 ms is to be aimed at a target 46 m away and level with the rifle. how high above the
Suppose a heat engine pulls 3.37×104 J of work from the hot reservoir and 7.52×103 J of that energy is used to perform work. How much energy is rejected by the engine? (This energy is "exhausted" to the cold reservoir.) What is the efficiency of the ..
When a slice of buttered toast is accidentally pushed over the edge of a counter, it rotates as it falls. Suppose the distance to the floor is 86 cm and the toast rotates less than 1 rev. (a) What is the smallest angular speed that causes the toast t..
a long solenoid has a length of 0.76 m and contains 1100 turns of wire. there is a current of 3.2 a in the wire. what
Suppose a monatomic ideal gas is contained within a verticalcylinder that is fitted with a movable piston. Through what distance does the piston drop
Two long straight parallel wires are 12cm apart. Wire A carries 1.5A current. Wire B's current is 4.0A in the same direction, Determine the magnetic field due to wire B at the position of wire A
A 23 m long copper wire,2.00 mm in diameter including insulation, is tightly wrapped in a single layer with adjacent coils touching, to form a solenoid of diameter 2.5 cm, What is the length of the solenoid
A 60-kg basketball is dropped out of a window that is 6.1m above the ground. The ball is caught by a person whose h&s are 1.5m above the ground. Find gravitational potential energy of the ball.
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