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Question: Eventually, two more hydrogen series in the infrared were identified: the Brackett series with n = 4, and the Pfund series with n = 5. Find the photon energies of the first two lines in each series.
A basketball is thrown horizontally with an initial speed of 4.90 m/s. A straight line drawn from the release point to the landing point makes an angle ? = 27.0° with the horizontal. What was the release height
Find the magnitude and direction of the force acting on the particle of mass in during its motion in the plane xy according to the law x = a sin cot, y = b cos cot, where a, b, and co are constants.
A satellite has a mass of 100 kilogram and is located at 2.00 x 10^6 above the surface of the Earth. Obtain the magnitude of gravitational force on satellite
In a Compton scattering experiment, an x-ray photon scatters through an angle of 21.0° from a free electron that is initially at rest. The electron recoils with a speed of 2,520 km/s.
a traveling wave on a string is given byyxt 2.0cmsin2p 8.33m-1x 440 s-1t .afind its wavelength frequency speed and
a square plate of copper with 54.0 cm sides has no net charge and is placed in a region of uniform electric field of
A 2 kg mass, attached to a string, is on a frictionless surface and moves in a horizontal circle. At what speed will the string break
What is the distance from the center of the pipe to the nearest antinode?
a simple harmonic oscillator with frequency f 2 hz has initial conditions x0 0.76m and v0 0.31 ms. calculate the
The coefficient of static friction between the mug and the roof is 0.9, and the coefficient of kinetic friction is 0.3. What is the maximum acceleration of the car, so the mug does not slide off?
a 13 kg box must be slid across the floor. if the coefficient of static friction between the box and floor is 0.37 what
After flying for 13 min in a wind blowing 36 km/hat an angle of 21°south of east, an airplane pilot is over a town that is 60 km due north of the starting point. What is the speed of the airplane relative to the air?
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