Mass on a Spring: An object of mass 6.8 kg is attached to an ideal spring of force constant (spring constant) 1720 N/m. The object is set into simple harmonic motion, with an initial velocity of vo = 4.1 m/s and an initial displacement of x0 = 0.11 m. Calculate the maximum speed the object races during its motion.
Fill in the blank(s) with the appropriate word(s).
4.5 m/s
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Single-Slit Diffraction: A beam of light of wavelength 610 nm passes through a slit that is 1.90 µm wide. At what the angle away from the centerline does the second dark fringe occur?
A. 11.4° B. 9.35° C. 12.2° D. 39.9° E. 18.7°
Regarding the charges of the electron, proton and neutron:
A) these objects are charged only when they reside in an ionized atom; otherwise, all three are uncharged. B) the proton has a positive charge, the electron has a much smaller negative charge, and the neutron has no charge. C) the proton has a positive charge, the neutron has a negative charge whose strength is equal to that of the proton's charge, and the electron has no charge. D) the electron has a negative charge, the proton has a positive charge, and the neutron has a charge that can be positive or negative or zero depending on the ionization of the atom in which it resides. E) the proton has a positive charge, the electron has a negative charge whose strength is equal to the strength of the proton's charge, and the neutron has no charge.
The safety fuse in an electric circuit is properly connected in
A) series with the circuit. B) parallel to the circuit. C) either of these
The Moon's maria, or plains, are believed to have been caused by ______________
Fill in the blank(s) with correct word