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What are the main parameters of voltage source and their physical meaning . How can we determine the voltage source parameter experimentally.
Establish their reciprocal vectors and hence express the vectors p = 3i - 2j + k, q = i + 4j, and r = -2i + j + k in terms of the base vectors a, b, and c.
Find the angle between the position vectors to the points (3, -4, 0) and (-2, 1, 0), and find the direction cosines of a vector perpendicular to both.
A clay vase on a potter's wheel experiences an angular acceleration of 7.62 rad/s2 due to the application of a 18.4-N m net torque. Find the total moment of inertia of the vase and potter's wheel.
Find (a) the tension in the support cable and (b) the magnitude of the force exerted on the lower end of the boom by the hinge at point P.
The accelerated He ions enter through a small pinhole, and, after they have made the half-circle, can be detected by a detector with linear resolution of d =3.0 mm. Find the accelerating voltage V n
Determine a set of (non-orthogonal) base vectors a = j + k, b = i + k, and c = i + j. (a) Establish their reciprocal vectors and hence express the vectors p = 3i - 2j + k, q = i + 4j, and r = -2i +
What are the vectors joining the atom at .25*A*(i+j+k) to its four nearest neighbors? Determine the angle between the carbon bonds in a diamond.
A has a mass of 5kg and B has a mass of 7 kg. The coefficient of friction action on A is 0.325. Use conservation of enrgy to calculate the velocity of the masses after B starting from rest has falle
How does the wavelength of a photon involved in pair creation compare to the wavelength of a photon involved in pair annihilation (larger/smaller/the same)? Explain your answer.
Cavities below the surface of the Earth cause anomalies in the value of g measured at the surface. a) Show that the vertical component of g a distance x from a point directly above a cavity is less
Outline the Quantum Confinement effects in quantum wells
The scale reads 28N when the lower spring has been compressed by 2.5cm. What is the value of the spring constant for the lower spring?
Write down the consumer and power source conditional marking and mark the directions of the electrical values in it. write down the ohms law and the power expression of them.
A 150g block on a frictionless table is firmly attached to one end of a spring with k = 30N/m . The other end of the spring is anchored to the wall. A 30g ball is thrown horizontally toward the blo
A 3.0W source of light produces monochromatic beam of wavelength 550 nm . This beam is incident on a metal surfae with work function of 0.5ev a) how many photons are produced in one second?
In a Haynes- Shockley Experiment, the distance between the cross R and A is d=0.1m, t=0.25 milliseconds, if the carriers are subject to a field 1,000 volts/meter, calculate the minority carrier mobi
When a laser beam reflects from a rotating mirror, it produces pulses of light with a band of frequencies centred on the fundamental optical frequency. Why do the light pulses give rise to a band o
A dielectric is pulled from between the plates of a capacitor which remains connected to a battery. What changes occur to the capacitance, charge on the plates, potential difference, energy stored,
After the collision, the orange disk moves along a direction that makes an angle of 35.0° with its initial direction of motion and the velocity of the yellow disk is perpendicular to that of the
A uniform piece of aluminium is 4m by 4m and 2cm thick. A 1m by am square piece is cut out from it. The center of the cutout piece is at the coordinate (1,2) in meter. Calculate the x coordinate of
A 0.452 kg block of ice is compressed a distance of 0.13 m against a spring with a spring constant of 378 N/m and is released. Use conservation of energy to calculate the height of the block when it
A 45.7 kg girl is standing on a plank that has a mass of 152 kg. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless supporting surface. The girl begins t
A Fabry-perot cavity is made from a 1.00 cm- tick slab of germanium, with index of refraction 4.02. Find the finesse, the coefficient of finesse, the resolving power and the free spectral range wh