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An astronomer is making an observation of a new-discovered galactic object. Part of this observation is the study of the light emitted by the object. It is observed that this light includes a clear pattern of the emission spectrum of atomic hydrogen. Part of that spectrum is the Hα line, which on earth has a wavelength of 656.258nm (10-9 m ). The observed light from this object has this spectral line measured at 659.0 nm. Describe this discrepancy, quantitatively, using the Doppler effect
An LRC series circuit with R=150 ohlms, L=25 mH, and C=2 uF is powered by an ac voltage source of peak voltage Vo=340V and frequency f=660 Hz. Determine the peak current that flows in this circuit
In a Newton's ring experiment, the radius of curvature R of the lens is 4.0 m and the lens diameter is 26 mm. How many bright rings are produced
A rotating merry-go-round accelerates uniformly from rest to make one complete revolution in 2s. what is the magnitude of her total acceleration at t = 3s
In an L-R-C series circuit, the resistance is 420 ohms, the inductance is 0.340 henrys, and the capacitance is 1.80×10?2 microfarads. What is the resonance angular frequency of the circuit
During practice, a soccer player kicks a ball, giving it a 32.5 m/s initial speed. It travels the maximum possible distance before landing down field. How far did the ball travel
given a typical wave function describing the state of a particle how would you determine the shape of the potential ux
A fun-loving 10.1kg otter slides up a hill and then back down to the same place. how much mechanical energy did she lose on the hill
A nonconducting spherical shell, with an inner radius of 4 cm and an outer radius of 6 cm, has charge spread nonuniformly through its volume between its inner and outer surfaces. The volume charge density ? is the charge per unit volume, with the uni..
A coil having L=0.14 H ,R=12? is connected across a v=110v, f=25Hz line. Compute a power factor and power
A jogger runs 10.0 blocks due east, 5.0 blocks due south,and another 4.0blocks due east. find the magnitude of the jogger's net displacement
two 2 cm 2 cm metal electrodes are spaced 1.7 mm apart and connected by wires to the terminals of a 9.0 v battery.1.
A wind turbine is initially spinning at a constant angular speed.As the wind's strength gradually increases, What is the initial angular velocity of the turbine
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