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Lisa [10]
3 years ago
13

If the plane of the moon's orbit were the same as the ecliptic plane, there would be a lunar eclipse

Physics
1 answer:
Murrr4er [49]3 years ago
5 0

Answer:

Option B

Explanation:

An lunar eclipse occurs when the Earth comes in between the Sun and the moon when all the three are aligned in space and the Earth casts its shadow on the phase of the full moon and thus darkens it usually the moon turns into a shade of copper red.

For the eclipse to occur every month the Earth's orbit around the sun must coincide with the moon's orbit around the earth.

It takes about a month for the moon to orbit the Earth and if the plane of the ecliptic orbit is the same as that of the orbit of the moon around the earth then there would be at least two lunar eclipses in a month, one at full moon and the other one fortnightly.

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A ball is thrown into the air with 100 J of kinetic energy, which is transformed to gravitational potential energy
goblinko [34]

Answer:

Air resistance

Explanation:

Despite the law of conservation of energy stating that energy can neither be created nor destroyed but can only be transformed from one state to another, some energy is usually lost in the process of transformation and its majorly attributed to frictional loss. Friction opposes normal movement hence in air, air resistance tends to reduce the original energy compared to the initial. That is why the final energy in this case is slightly less than the original energy.

3 0
3 years ago
When measuring the diameter of a cylinder the following measurements are obtained.
Arlecino [84]

Answer:

a. 1.80 %

b. 0.60 %

c. 1.20 %

d. 0.60 %

e. 0.60 %

Explanation:

In order to calculate percent uncertainties in each case, we forst need to calculate the average value:

Average Diameter = (16.4 mm + 16.8 mm + 16.9 mm + 16.6 mm +16.8 mm)/5

Average Diameter = 16.7 mm

Now, the formula for percent uncertainty is:

% Uncertainty = (Uncertainty/Average) * 100 %

where,

Uncertainty = |Value - Average|

For Each Case:

<u>a. 16.4 mm</u>:

Uncertainty = |16.4 mm - 16.7 mm| = 0.3 mm

Therefore,

% Uncertainty = (0.3 mm/16.7 mm) * 100%

<u>% Uncertainty = 1.80 %</u>

<u></u>

<u>b. 16.8 mm</u>:

Uncertainty = |16.8 mm - 16.7 mm| = 0.1 mm

Therefore,

% Uncertainty = (0.1 mm/16.7 mm) * 100%

<u>% Uncertainty = 0.60 %</u>

<u></u>

<u>c. 16.4 mm</u>:

Uncertainty = |16.9 mm - 16.7 mm| = 0.2 mm

Therefore,

% Uncertainty = (0.2 mm/16.7 mm) * 100%

<u>% Uncertainty = 1.20 %</u>

<u></u>

<u>d. 16.6 mm</u>:

Uncertainty = |16.6 mm - 16.7 mm| = 0.1 mm

Therefore,

% Uncertainty = (0.1 mm/16.7 mm) * 100%

<u>% Uncertainty = 0.60 %</u>

<u></u>

<u>e. 16.8 mm</u>:

Uncertainty = |16.8 mm - 16.7 mm| = 0.3 mm

Therefore,

% Uncertainty = (0.1 mm/16.7 mm) * 100%

<u>% Uncertainty = 0.60 %</u>

7 0
3 years ago
A brick is dropped from a height of 31.9 meters
tia_tia [17]

Explanation:

what is asked give brief explanation about question

4 0
3 years ago
In a velocity selector having electric field E and magnetic field B, the velocity selected for positively charged particles is v
maw [93]

Answer:

True or False

Explanation:

Because.....

easy 50% chance you are right

6 0
3 years ago
What causes the granular structure on the sun's photosphere?
Charra [1.4K]
Something to do with how the suns magnetic field interacts with the surface plasmas I think.
4 0
3 years ago
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