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Two bars of equal mass are at 32°C. One is made from glass and the other from another material. The specific heat capacity of glass is 840 J/(kg•C°). When identical amounts of heat are supplied to each, the glass bar reaches a temperature of 94°C, while the other bar reaches 267°C. Obtain the specific heat capacity of the other material?
A series RLC circuit has components with the following values: L = 18.0 mH, C = 90.0 nF, R = 10.0 ?, and ?Vmax = 100 V, with ?v = ?Vmax sin ?t. Find the resonant frequency of the circuit
uniformly charged and has a total charge
The drawing shows a skateboarder moving at 6.78 m/s along a horizontal section of a track that is slanted upward by 51.6 ° above the horizontal at its end, find the maximum height H to which she rises above the end of the track
What is he wavelength of a 22.75*10^9 Hz radar signal. What is the frequency of an X-ray with wavelength 0.12nm
You are standing in the very center of a deep, flat-bottomed valley, and shout "Hello!" If the speed of sound is 343 m/s, how wide is the valley
Light of a wavelength 450 nm is incident on a sodium emitter in a photoelectric effect apparatus. What is the cutoff frequency for the emitter
Two parallel planes have surface charge densities +5.0 nC/m2 and -3.0 nC/m2. What is the magnitude of the electric field between them
what is the rotational inertia of a solid iron disk of mass 48 kg with a thickness of 3.57 cm and radius of 19.5 cm
The equation of a transverse wave on a string is y = (2.0 mm) sin[(19 m-1)x - (625 s-1)t]. The tension in the string is 11 N. Find the linear density of this string
Using the capacitance determined in part (a),which equals 21 micro F, compute the current in the circuit 6.6 ms after the switch is closed. Assume that the capacitor is uncharged initially and that the emf of the battery is 9.0 {rm V}. Resistance= ..
a string stretched between two fixed ends vibrates in its second harmonic with a frequency f=2 Hz. if the velocity that links the frequency and wavelength is equal to 40 m/s, find the wavelength of the stationary wave
If the heat is supplied by a stove burner at the rate of 2.0 \rm kW, how long will it take to heat the pan
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