Two stretched strings with the same length but different tensions are both resonating at the same frequency. Which string has the greater number of antinodes?
A. The string with the larger tension.
B. The string with the smaller tension.
C. Both must have the same number of antinodes.
B. The string with the smaller tension.
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The figure below shows a planet traveling in a clockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,
A. its speed is constant. B. its speed is increasing. C. its speed is decreasing. D. its speed is a maximum. E. its speed is a minimum.
The reason the planets appear to be near the ecliptic is
a. the planets revolve around the Sun in nearly the same plane b. compared to the stars, the planets are near the Sun. c. because the Sun orbits the Earth once per year. d. the ecliptic is only 23 degrees from the celestial equator. e. the planets are much nearer to us than the Sun.
If the wavelength of light in Young's two-slit experiment is decreased, which one of the following statements is true of the interference pattern?
A) The distance between the minima stays the same. B) The distance between the maxima decreases. C) The distance between maxima stays the same. D) The distance between the maxima increases. E) Impossible to tell without knowing the separation between the slits.
When 1.0 gram of hydrogen combines with 8.0 grams of oxygen, 9.0 grams of water is formed. But is this true? During the reaction 2.86 × 10^5 J of energy is released. How much mass is actually lost in this reaction?