Answer:
PART A
It is always zero
PART B
Answer is : 0
Explanation:
PART A :It is always zero because according to my research, The net electric field inside a conductor is always zero. If the net electric field were not zero, a current would flow inside the conductor. This would build up charge on the exterior of the conductor. This charge would oppose the field, ultimately (in a few nanoseconds for a metal) canceling the field to zero.
PART B: You already know that there is a zero net electric field inside a conductor; therefore, if you surround any internal point with a Gaussian surface, there will be no flux at any point on this surface, and hence the surface will enclose zero net charge. This surface can be imagined around any point inside the conductor with the same result, so the charge density must be zero everywhere inside the conductor. This argument breaks down at the surface of the conductor, because in that case, part of the Gaussian surface must lie outside the conducting object, where there is an electric field.
Answer:
Doppler effect to analyze the motion and properties of the star and planet.
Explanation:
The radial velocity method invovles watching the spectral lines of a star as a planet orbits around the star. Because of the planets gravitational pull on the star, will wobble. This causes Doppler shifts in the spectral lines, allowing astronomers to infer the presence of the planets.
The thing should be at a space less than the focal length
from the convex or also known as converging lens in a way to develop a virtual
image. The image made would be standing, virtual and enlarged, just like how a
magnifying glass does. The virtual image is shaped on the same side of the lens
as the object.
Answer:
Explanation:
Assuming statics
The average force is (60 + 0) / 2 = 30 N
E = Fd = 30(0.005) = 0.15 J
or
k = F/d = 60/0.005 = 12000 N/m
E = ½kx² = ½(12000)0.005² = 0.15 J
Answer:
-40 feet to the left
Explanation:
opposite of 40 feet from right is -40 to left