Which of the following best describes why a white dwarf cannot have a mass greater than the 1.4 solar mass limit? A. White dwarf
1 answer:
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A mirror equation is an equation that relates object distance and image distance to focal length. The distance of the image from the mirror will be -3 cm.
<h3>What is a mirror equation?</h3>A mirror equation is an equation that relates object distance and image distance to focal length. It's sometimes referred to as a mirror formula.
The given data in the problem is;
f is the focal length = -4. 5 cm
u is the object distance=12. 0 cm
v is the image distance =?
Hence the distance of the image from the mirror will be -3 cm.
To learn more about the mirror equation refer to the link;
https://brainly.in/question/31545592
Answer:
+1.33 × C and -1.33 ×
C respectively.
Explanation:
Electric potential (V) is the work done in moving a unit positive charge from infinity to a reference point within an electric field. It is measured in volts.
V = ............. 1
where: k is a constant = 9 × N
, q is the charge and r is the distance between the charges.
From equation 1,
q = ............... 2
The charge on each ball can be determined as;
given that; V = 1.2 × , k = 9 ×
N
and r = 1.00 m.
From equation 2,
q =
= 1.33 × C
Thus, the charge on the first ball is +1.33 × C, while the charge on the second ball is -1.33 ×
C.