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A guitar string has a linear density of 8.30 x 10^-4 kg/m. The length of the string is .660 m. The tension in the string is 52.0 N. When the fundamental frequency of the string is sounded by a tuning fork of frequency 196.0 Hz, what beat frequency is heard?
When light of wavelength 380 nm falls on a cesium surface,electrons are emitted that have a maximum kinetic energy of 1.13eV. Find the work function of cesium
a new gaseous species has been made in the laboratory. the number of atoms in each molecule is unknown. measurements of
Compute the Coulomb repulsion energy between two nuclei of 235U (137Cs and 96Zr) that just touch at their surfaces. (b) Write the complete fission reaction equation for these products and calculate its Q-value. (assume r0 = 1.3x10-15 m) (10 pts)
question1as thermonuclear fusion proceeds in its core the sun loses mass at a rate of 3.64 109 kgs. for the duration of
Accomplished silver workers in India can pound silver into incredibly thin sheets, as thin as 3.00 10-7 m, Find the area of such a sheet that can be formed
a mass of 20 kg is attached to a spring whose spring constant is 2000 nm. the mass is displaced and released. the mass
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling pentane (36.1°C). What pressure would be found at the boiling point of water
A frog in a hemispherical bowl finds that he just floats without sinking in a fluid whose density is 1.35 g/cm^3. If the bowl has a radius of 6cm and negligible mass, what is the mass of frog.
a 2.0 kg mass is attached to the end of a horizontal spring of spring constant 50 N/m and set into simple harmonic motion with an amplitude of 0.10 m. What is the total mechanical energy of this system
Suppose you have a solution that contains 0.0490 M Ca2 and 0.0940 M Ag, When the second cation just starts to precipitate, what percentage of the first cation remains in solution
The frequency is tripled, so that the reactances of the inductor and capacitor are no longer equal. What are the new reactances of the inductor
A 2.25×104 N elevator is to be accelerated upward by connecting it to a counterweight using alight (but strong!) cable passing over a solid uniform disk-shaped pulley, Determine how heavy should the counterweight be
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