The quark and antiquark in a meson are always of the same flavor
a. True
b. False
Indicate whether the statement is true or false
False
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Spherical Mirrors: An object 2.0 cm tall is placed 24 cm in front of a convex mirror having a focal length of magnitude 30 cm.(a) Where is the image formed and how far is it from the mirror?(b) How tall is the image?
What will be an ideal response?
A long-wavelength wave and a short-wavelength wave both move along the same rope. Which wave has the higher frequency, and which wave carries more energy, assuming their amplitudes are the same?
A) The short-wavelength wave has the higher frequency, but the two waves carry the same amounts of energy. B) The long-wavelength wave has the higher frequency and but the short-wavelength wave carries more energy. C) The long-wavelength wave has the higher frequency and carries more energy. D) The short-wavelength wave has the higher frequency and but the long-wavelength wave carries more energy. E) The short-wavelength wave has the higher frequency and carries more energy. E) no disturbance, because they cancel.
A 14-cm diameter champagne bottle rests on its side on top of a frictionless horizontal table
Suddenly, the cork pops and the bottle slides backward, covering a distance of in If the mass of the bottle is 500 times the mass of the cork, find the distance from the original position that the cork will land on the table. Neglect air resistance and assume that the cork is very small compared to the bottle. A) 3000 cm B) 60 m C) 85 m D) 8.5 cm
In choosing between sound waves and radio waves, which has the greater speed?
A) sound wave B) radio wave C) both the same D) need more information