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What is difference in cyclic and generalized coordinates?
What is the change in the proton's electric potential? What would be the change in electric potential if an electron moved the same way?
Consider a free electron gas model for noninteracting electrons ina two-dimentional infinite square well. Calculate the Fermi energyEf of the system. Let σ be the number of freeelectrons per unit area(i.e ,σ =Nq/A, where A is the area ofsquare wel..
A bat can detect small objects, such as an insect, whose sizeis approximately equal to one wavelength of the sound the batmakes. what is the smallest insect a bat can detect
the motor slows from 80 rad/s to 40rad/s while the turning the drum through an angle of 120 radians. Illustrate what is the magnitude of the angular acceleration of the motor?
A 21.3 kg object is pushed down a 26.3 cm long inclined plane that makes an angle of 15.7 degrees with the horizontal at a constant velocity. If the coefficient of kinetic friction is 0.35, then what is the work done by friction on the object? Assume..
A uniform 240 N ladder rests against a perfectly smooth wall, making a 40.0 angle with the wall. Find the normal forces that the wall on the ladder
A point charge (m = 1.6g ) at the end of an insulating string of length 55 cm is observed to be in equilibrium in a uniform horizontal electric field of 9100N/C , when the pendulum's position is as shown in (Figure 1) , with the charge 12 cm above th..
You exert a force as shown in the diagram to push a large crate of books (about 1 m high, m = 45.0 kg) across a rough floor at constant speed v = 0.650 m/s. Find the rate at which work is done by you
What is the final velocity of the space shuttle after a vertical takeoff of 2 minutes with exhaust velocity u= 2900m/s, an initial total mass of 2.04 x 106 kg.
A stunt man drives a car at a speed of 20 m/s off a 27-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20 degree. How far from the base of the cliff does the car land
First-order Bragg diffraction is observed at 23.0 degrees relative to the crystal surface, with spacing between atoms of 0.26nm, At what angle will second order be observed
If the charge is distributed over a thin spherical shell of radius b, what is E- inside the shell and How much energy is required to assemble a point charge? Do you think that a point charge can really exist?
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