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Consider charges placed along an x-axis. If a charge of +15 nC is placed at x = 0.00 m and a charge of +27 nC is placed at x = 1.00 m, where would a third charge of -14.0 nC be in electrostatic equilibrium?
The isotope shift of spectral lines refers to the shift in wave- lengths (or frequencies) due to the different masses of given ele- ments. Find the isotope shifts for each of the four visible Balmer series wavelengths for deuterium and tritium compar..
A train travelling at 50.0 km/h approaches another train moving toward the first at 90.0 km/h, if they are 35 km apart on a straight track how long does it take before they meet
A 26.2-kg dog is running northward at 3.24 m/s, while a 5.30-kg cat is running eastward at 2.49 m/s. Find the direction and magnitude of the owner's velocity
a spherical drop of water carrying a charge of 20 pc has a potential of 530 v at its surface with v 0 at infinity.a
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
Mechanics sometimes put a length of pipe over the handle of a wrench when trying to remove a very tight bolt. How does this help? (It is also hazardous since it can break the bolt.)
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
She then suddenly reverses direction and walks backward with constant speed. Sketch graphs of velocity and acceleration consistent with this description.
A block of mass 0.440 kg is hung from a vertical spring and allowed to reach equilibrium at rest. As a result the spring is stretched by 0.691 m. Find the spring constant.
When viewed by an observer on the Earth, light from a distant galaxy is Doppler shifted to the red such that the ratio of the unshifted frequency to the observed frequency is 2.1
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
Birds resting on a voltage lines is common. The copper wire on which the bird stands is 2.2 centimeter in diameter and carries a current of 50 Amp. find the potential difference across the bird body
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