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A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. It then gives off a photon having a wavelength of 2170 nm. What is the final state of the hydrogen atom?
A disk has radius R = 1.20 cm. Its surface charge density is 1.70 x 10-6 C/m2 from r = 0 to r = R/2 and 9.10 x 10-7 C/m2 from r = R/2 to r = R, What is the total charge (in C) on the disk
When a certain air-filled parallel-plate capacitor is connected across a battery, it acquires a charge of magnitude 196 ?C on each plate. What is the dielectric constant of the dielectric slab
A 20 kg child is on the swing that hangs from a rope 3.5 m long. What is her speed at the bottom of her arc if she swings to out 90 degrees.
A traveling sinusoidal electromagnetic wave in vacuum has an electric field amplitude of 57.1 V/m. Find the intensity of this wave and calculate the energy flowing during 16.9 s through an area of 0.0217 m2
Two tiny conducting spheres are identical and carry charges of -29.4C and +70.0C. They are separated by a distance of 2.66 cm. (a) What is the magnitude of the force that each sphere experiences?
The coefficient of static friction is .6 and the ladder makes a 50 degree angle with the ground. Elucidate how far up the ladder can an 800 newton person climb before starts to slip
A rotating wheel requires 3.03-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.03-s interval is 99.0 rad/s
An object 2.0mm high is placed 12cm from a convex mirror of radius of curvature 12c, Determine the image distance using the mirror equation 1do+1di=1f
The potential in a region between x = 0 and x = 6.00 m has a linear relation, Calculate the potential at the following positions: x = 0, 3.00 m and 6.00 m and also find magnitude and direction
how long does it take to reach the new equilibrium position.
The average density of the planet uranus is 1.27 x 10^3 kg/m^3. The ratio of the mass of neptune to that of Uranus is 1.19. The ratio of the radius of Neptune to that of Uranus is 0.969. Find the average density of Neptune.
You observe that a solid cube of some material floats on the surface of an oil puddle at a service station with 68.5% of its volume submerged
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