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Soloha48 [4]
3 years ago
11

Why are lunar calendars not more widely used today

Physics
1 answer:
timama [110]3 years ago
7 0
Lots of people worldwide still do use the lunar calendar. Actually, before the romans came, the ancients used the lunar calendar. We don't use it anymore because it isn't useful. We prefer months of equal days, which is not the lunar calendar.
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Weathering of rocks can occur in many ways. In the western United States, strong winds can erode huge rock formations by blowing
stepan [7]

Answer: physical or mechanical weathering

Explanation:

Mechanical weathering which is also referred to as the physical weathering occurs when a rock is broken down into smaller pieces. In this case, there will be a physical change of the rock but its composition will not change.

Some examples include ice freezing and expansion of the cracks in the rock, Smstrong winds that carrycpieces of sand which then sandblast surfaces, moving water which causes abrasion etc.

3 0
2 years ago
Find the Kinetic Energy of a<br>trailer of mass 30,000 kg moving at a<br>Speed of 60 km/h​
olasank [31]

Explanation: Formulas you need to use:

K=0.5mass(Velocity^2)

km/h / 3.6 ===>M/S

Step 1:

convert km/h to m/s

Put the values in the formula :

3 0
3 years ago
If mass remains the same while the volume of a substance ________, the density of the substance will_______________. decreases,
gtnhenbr [62]
Density =Mass/volume
When mass is constant, density is inversely proportional to volume or vice versa
When volume decreases, density increases
Hope it helps
7 0
3 years ago
Read 2 more answers
One indicator NOT related to domestic violence is
Aleksandr-060686 [28]

Answer:

good nutrition

Explanation:

I think that one's pretty self explanatory

4 0
2 years ago
A clear sheet of polaroid is placed on top of a similar sheet so that their polarizing axes make an angle of 30° with each other
xxMikexx [17]

Answer:

\dfrac{I}{I_0}=\dfrac{3}{8}

Explanation:

Given that

Angle ,θ = 30°

From Malus law,Intensity given as

I=\dfrac{I_0}{2}cos^2\theta

Io=Intensity of unpolarized light

I=Intensity of emerging light

Now by putting the value of angle

I=\dfrac{I_0}{2}cos^2\theta

I=\dfrac{I_0}{2}cos^230^{\circ}

We know that

cos30^{\circ}=\dfrac{\sqrt{3}}{2}

I=\dfrac{I_0}{2}\times \dfrac{3}{4}

\dfrac{I}{I_0}=\dfrac{3}{8}

Therefore ratio will be \dfrac{3}{8}

7 0
3 years ago
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