I know that the answer is 3 because 1+2 is 3
(2)(3)(2)=12⇒ D=M/V ⇒ D=94/12=7.8333(repeated) g/m³
The answer is A. 446.9 J
Solution:
W = mgh
W = (3.8 Kg)(9.8 m/s²)(12 m)
W = 446.88 J or 446.9 J
Answer:
a)
b)E=0
c)
Explanation:
Given that
A point charge Q is placed at the center of a conducting spherical shell .Due to this - Q charge will induce on the inner sphere surface and +Q will induce on the outer sphere surface .
a) r < a
At a radius r ,from gauss theorem
b) a < r < b
The total induce in this surface = - Q+ Q =0
E = 0
c) r > b
This question involves the concepts of the thin lens formula, focal length, and image distance.
The image of the house is "16 ft" away from the lens.
According to the thin lens formula:
where,
f = focal length = 8 ft
p = object distance = 16 ft
q = image distance = ?
Therefore,
<u>q = 16 ft</u>
Learn more about the thin lens formula here:
brainly.com/question/3074650