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An unstrained horizontal spring has a length of 0.33 m and a spring constant of 260 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.025 m relative to its unstrained length. Determine
(a) the possible algebraic signs and
(b) the magnitude of the charges.
What approximations or simplifying assumptions must you make in the calculations? (Note: Some of these choices are false because they are wrong physics!)
An x-ray photon with wavelength 15.0 pm is scattered at 84.0 degrees by an electron, find the resulting kinetic energy of the electron
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