The water hole has very high background interference
Indicate whether the statement is true or false
False
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Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. The charge located at x=0 is moved away along the y-axis to a position (x,y) = (0, +a)
How does the potential energy of the system of charges change as a result? A) The potential energy may increase or decrease depending on the magnitude of the charges. B) The potential energy increases. C) The potential energy decreases. D) The potential energy stays the same. E) More information is needed to answer the question.
An astronomical telescope has an objective lens with focal length fo and has an eyepiece with focal length fe. A second telescope has objective and eyepiece lenses with half the focal length of the first telescope. Which telescope gives the greater magnification and by what factor?
a. The second telescope gives 4 times the magnification of the first. b. The first telescope gives 4 times the magnification of the second. c. The actual focal lengths must be known to answer this question. d. Both telescopes give the same magnification.
How is the vibration changed if the spring constant is larger or the mass smaller?
a. The period increases. b. The period decreases. c. The amplitude becomes smaller. d. The period does not change. e. The frequency does not change.
The formula mass for C2H6 is ______________
Fill in the blank(s) with correct word