In a region where the electric field is axial but the charge density is zero, what is Es (if C is some constant)?
A. C/s2
B. C/s
C. zero
E. Cs
F. Cs2
T. None of the above
B. C/s
You might also like to view...
Which statement about Schwarzschild radii is true?
A) The Schwarzschild radius of a black hole can be defined only in binary systems. B) The more massive the black hole, the smaller the Schwarzschild radius. C) The Schwarzschild radius of a black hole depends only on its mass. D) The Schwarzschild radius is used to describe the size of neutron stars.
Two different continuous water waves on the surface of a pond would be expected to have roughly the same
A) amplitude. B) frequency. C) wavelengths. D) wave speeds. E) energy.
A gun is made of a super-low-weight but strong material. The bullet for the gun is more massive than the gun itself. For such a gun
A. the gun, if unsupported, would have a recoil velocity higher than the bullet velocity. B. the bullet would go faster with less powder. C. recoil problems would be lessened. D. conservation of momentum is not satisfied.
The main reason for building large optical telescopes on Earth's surface is
a. that there is a lot of money in science that needs to get spent. b. to collect as much light as possible from faint objects. c. to nullify the blurring effects of the Earth's atmosphere and thus produce higher resolution images. d. to bring astronomical objects closer to make them brighter. e. that the warm temperatures of the Earth's surface allow for easier telescope operation.