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A hydrogen atom is in its fourth excited state (n = 5). Using the Bohr theory of the atom, calculate the following.
(a) the radius of the orbit (b) the linear momentum of the electron (c) the angular momentum of the electron (d) the kinetic energy (e) the potential energy (f) the total energy
A light spring with a spring constant of 80.0 N/m rests vertically on a table. A 2g balloon is filled with helium (0°C and 1 atm pressure) to a volume of 5.00 m3 and connected to spring, causing the spring to stretch and expand. How much does the ..
A baseball has a velocity of 41.5 m/s (92.8 mi/h), directed horizontally, as it is released by a pitcher. Calculate the ball's instantaneous acceleration just before it is released
The vapor pressure of benzene is 100 mm Hg at 26.1 C and 400 mm Hg at 60.6 C. Estimate the heat of vaporazitaion of benzene in this temperature range
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
Determine the magnitude and coordinate direction angles for the resultant force of the combination of the two forces shown.
Some bacteria are propelled by biological motors that spin hair-like flagella. How long does it take the motor to make one revolution
A heat engine using a diatomic ideal gas goes through the following closed cycle: Isothermal compression until the volume is halved. What is the thermal efficiency of this heat engine
Light with wavelength 595nm is incident on a 2.6?m wide slit. Find the angular width of the central peak in the diffraction pattern
Two objects with masses of 2.90 kg and 8.00 kg are connected by a light string that passes over a frictionless pulley, Determine the acceleration of each object
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion. s (b) Find the frequency of the motion. Hz (c) Find the amplitude of the motion. cm (d) Find ..
There is a function generator driving a series RC circuit. The function generator provides an AC current of I(t) = Io sin(2? f t), What is the reactance of the capacitor
Find out the magnitude of the centripetal force.
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