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1. Seasonal variation. You examine the average temperature in Chicago each month for many years. Do you expect a line graph of the data to show seasonal variation? Describe the kind of seasonal variation you expect to see.
2. Sales are up. The sales at your new gift shop in December are double the November value. Should you conclude that your shop is growing more popular and will soon make you rich? Explain your answer.
What are the energy, momentum, and wavelength of a photon that is emitted by a hydrogen atom making a direct transition from an excited state with n=9 to the ground state? What is the recoil speed of the hydrogen atom
Compton used photons of wavelength 0.0711 nanometer. Determine what is the recoil energy of the electrons
A particle of charge Q is fixed at the origin of anxy coordinate system. At t = 0 a particle(m = 0.776 g, q = 5.04 µC is located on thex axis at x = 18.7 cm, moving with a speed of39.8 m/s in the positive y direction.
a piece of thin spherical shell that has a radius of curvature of 94 cm is silvered on both sides. the concave side of
A 2.0 kg object is attached to a horizontal spring of force constant k = 4.3 kN/m. The spring is stretched 10 cm from equilibrium and released. Discover its total energy. Discover the total energy of a 2.0 kg object oscillating on a horizontal spring..
Two parallet wires separated by 7.0 cm repel each other with a force per unit length of 1.5 x 10^-4 N/m. The current in one wire is 3.0 A
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 49 degree with the normal to the wall. Compute what is the beam pressure on the wall
Calculate the average velocity
A hydrogen atom has an ionization energy of 13.6 ev. An electron in the n = 4 state makes a transition to the n = 2 state. What is the wavelength of the emitted photon?
Light from a helium-neon laser (λ = 632.8 nm) is incident on a single slit. What is the maximum width for which no diffraction minima are observed? (Hint: Values of sin θ > 1 are not possible.)
The voltage across the terminals of a 9.10V battery is 8.20V when the battery is connected to a 50.0ohm load. What is the battery's internal resistance
an aluminum pie pan is connected by a wire to a metal plate. sitting parallel to plate 1 is a second metal plate
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