Answer:
The force exerted between s and q is four times that force between S and p
Explanation:
Given that ;
A source charge S
Is at a 1 unit distance from another charger q
The force between S and q is given by columbs law;
F=k*q*S/r^2
F= K*q*S/1
F= KqS ( this is the force between charges q and S)
Also charge between S and P at 2 units distance is
F=K*P*S/r^2
F= K*P*S/2^2
F=KpS/4
Hence 4F=KpS (This is the force between p and S)
It can be seen that 4F=4kqs=kpS
<h3><u>Answer;</u></h3>
<em>When a wave meets a boundary, the angle of the reflected wave is equal to the angle of the incident wave</em>
<h3><u>Explanation</u>;</h3>
- <em><u>Reflection is the property of waves in which the waves bounces back upon meeting or hitting the surface of an object or a boundary.</u></em> It may also refer to the change in the direction of a wave when it meets an interface between two media.
- Therefore, when a wave such as light waves meets an opaque surface, they will bounce back off the surface.
- <em><u>The reflection of waves obeys the Laws of reflection such that the angle of reflection is equal to the angle of incident wave.</u></em>
Answer:
B. The Spring equinox
Explanation:
The vernal equinox marks the moment the sun crosses the celestial equator. The vernal equinox happens on March 19, 20, or 21 every year in the Northern Hemisphere. In the Southern Hemisphere, this same event marks the beginning of fall. (Source: What Exactly Is The Spring Equinox? - Dictionary.com)
Hopefully this helps.
Answer:
56.7 m³
Explanation:
The radius of the circular area covered by the spill is 4.25 km
You can find the area covered by the spill by applying the formula for area of a circular surface
A=π×r² where π=3.14 and r=4.25km
A= 3.14×4.25² = 56.72 km²
Remember the total area is on average at 1 micron (1μm) thick.This is to say
1μm=1m³
So the minimum volume of oil covering the ocean surface in meters will be;
Change km² to m²
56.72 km²= 56.72×1000000=5.67×10⁷ m²
Finding the volume;
Volume = Area * thickness
Volume= 5.67×10⁷ m² * 1× 10⁻⁶ = 56.7 m³
Minimum amount of oil that was spilled is 56.7 m³
