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The Rydberg constant is 1.096776 x 10^7 m^-1
a) What is the wavelength of the first Balmer line (j=2, k=3) for hydrogen (z=1)?
b) What is the wavelength of the first Balmer line (j=2, k=3) for helium (z=2)?
An electron moves in a circular path perpendicular to a constant magnetic field with a magnitude of 3.50 mT. Determine the radius of the circular path
A radar for tracking aircraft broadcasts a 18.2 GHz microwave beam from a 1.03 m diameter circular radar antenna. What is the diameter (in m) of the radar beam at a distance of 25.0 km
When the displacement in SHM is 0.2 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of total energy is potential energy
Four positively charged particles enter magnetic field as shown. What would be the path of each particle in the field
How much work is completed on the box by the applied force
A power supply maintains a potential difference of 79.1 V across a 1.69 KQ resistor. What is the current in the resistor in millamperes
A plane accelerates from rest at a constant rate of 5.00 along a runway that is 1800 long. What is the time needed to take off
3 Mass points each of mass m are placed at the vertices of an equilateral triangle of side l. What is the gravitational feild and potential due to 3 masses
On a cool morning, when the temperature is 11 ^circC, you measure the pressure in your car tires to be 30.0 psi. After driving 20 mi on the freeway, the temperature of your tires is 53 ^circC.
The total length of a bike trip is 300 km. Suppose you take this tour and your bike has wheels with a diameter of 80 cm. How many revolutions will the wheels make
What is the terminal speed at which the bar falls? Imagine the bar remains horizontal and in contact with the rods at all times.
The skier's mass is 59.0 kg, and the coefficient of kinetic friction between the skis and the snow is 0.100. Find out the magnitude of the force that the tow bar exerts on the skier.
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