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2 years ago

6

Same diagram... At which location would it be possible for a LUNAR ECLIPSE to happen? *

2 answers:

STALIN [3.7K]2 years ago

5 0

The answer would be a

Because a solar eclipse is where the moon covers the sun from the earth so it hat to be in front of the sunlight

Radda [10]2 years ago

5 0

A but for Lunar eclipse the shadows have to line up

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How would the composition of an atom change if both the atomic number and mass number each increase by one? A) The atom would ha

weqwewe [10]

Choice-B is the correct one.

-- The atomic number is the number of protons in the nucleus.
-- Each proton in the nucleus is usually matched by one electron in the 'cloud'.
-- The addition of a proton OR a neutron increases the mass number by 1 .
-- Electrons have such small mass that they don't figure into the atomic mass at all.

8 0

3 years ago

A 30-cm long string, with one end clamped and the other free to move transversely, is vibrating in its second harmonic. The wave

Ann [662]

Answer:

$\lambda$ = 40 cm

Explanation:

given data

string length = 30 cm

solution

we take here equation of length that is

L = $n \times \frac{1}{4} \lambda$ ...............1

so

total length will be here

$L = \frac{\lambda}{2} + \frac{\lambda}{4}\\$

$L = \frac{3 \lambda }{4}$

so $\lambda$ will be

$\lambda = \frac{4L}{3}\\\lambda = \frac{4\times 30}{3}$

$\lambda$ = 40 cm

5 0

3 years ago

In a particular case of an object in front of a spherical mirror with a focal length of +12.0 cm, the magnification is +4.00.(a)

salantis [7]

Answer:

9 cm

-36 cm

Explanation:

u = Object distance

v = Image distance

f = Focal length = 12

m = Magnification = 4

$m=-\frac{v}{u}\\\Rightarrow 4=-\frac{v}{u}\\\Rightarrow v=-4u$

Lens equation

$\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\\\Rightarrow \frac{1}{12}=\frac{1}{u}+\frac{1}{-4u}\\\Rightarrow \frac{1}{12}=\frac{3}{4u}\\\Rightarrow u=9\ cm$

Object distance is 9 cm

$v=-4\times 9=-36\ cm$

Image distance is -36 cm (other side of object)

7 0

3 years ago

What is true about energy that is added to a closed system

arsen [322]

It does work or increases thermal energy

4 0

3 years ago

Read 2 more answers

Ball A is negatively charged and ball B is electrically neutral. What happens to the charges of both balls when they come into c

tresset_1 [31]

Explanation:

They will repel, thus made of electrical conductor.

5 0

3 years ago