b. science-fiction films sometimes show starships being buffeted by turbulence as they fly through gas clouds such as the lagoon
1 answer:
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Answer:
Explanation:
We define the linear density of charge as:
Where L is the rod's length, in this case the semicircle's length L = πr
The potential created at the center by an differential element of charge is:
where k is the coulomb's constant
r is the distance from dq to center of the circle
Thus.
Potential at the center of the semicircle
Answer: The most likely identity of the substance is iron.
Explanation:
The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.
Q = Heat absorbed= Joules
m= mass of substance = 11.9 g
c = specific heat capacity = ?
Initial temperature of the water = = 25.0°C
Final temperature of the water = = 45.0°CChange in temperature ,
Putting in the values, we get:
The specific heat of 0.45 is for iron and thus the substance is iron.
Answer:
d = m× λ⇒ d = λ ×m×l / x
= 630× m × 3×3m/ 45×
m
= 1.26×m
Explanation:
the above calculation is based on Young’s double slit experiment where the two slits provide two coherent light sources which results either constructive interference or destructive interference when passing through a double slit.