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Consider a 1.00g piece of Na.
a.How many conduction electrons are there?
b. How many electron states are there in each energy band?
two positive charges of 1.9e-10 c are placed on the x axis at distances 48 cm and -48 cm from the origin respectively.
What is the magnitude of the electric field at a point 0.95cm away from a point charge of +5.0 pC
The nucleus of radioactive polonium-210, with a mass of about 3.49?10?25kg , is known to decay by emitting an alpha particle with a mass of about 6.68?10?27kg. what is the recoil speed of the remaining nucleus
Earth is farthest from the Sun in July and closest to Sun in January. During which Northern Hemisphere season is Earth moving fastest in its orbit.
An electron is in an angular momentum state with l=3, What is the lenght of the electron's angular momentum vector
The positive direction of the x axis.
One mole of dry air has an initial state of T = 293 K and p = 900 hPa. It undergoes a process in which its volume becomes four times its initial volume and its pressure decreases to 450 hPa. If air is considered an ideal gas and if the process obeys ..
A Carnot engine uses a steam boiler at 100°C as the high-temperature reservoir. Determine the useful power output of the heat engine
Four point charges, q, are fixed to the four corners of a square that is 11.2 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 11 nm abo..
A 6 μF and a 10 μF capacitor are connected in parallel across a 40 V DC battery. The capacitors are then allowed to fully charge. Decide the total capacitance of the circuit. What is the voltage across the 6 μF capacitor? How much charge is stored on..
a 10-turn square coil 0.50 m on a side lies in the xy-plane. a uniform magnetic field with magnitude 1.0 t in the
Two blocks, each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force P of magnitude 4.7 N, Find the frictional force acting on the upper block
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