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3 years ago

What is the current hypothesis on how the earths moon formed

Physics

2 answers:

Tems11 [23]3 years ago

8 0

Answer:

The giant-impact theory is actually the preferred or current scientific hypothesis accepted for the Moon's origin.

Explanation:

The giant-impact theory is actually the preferred or current scientific hypothesis accepted for the Moon's origin. This appears that Moon evolved out of residue left over after a collision between Earth and Mars-sized celestial object around 4.5 billions year ago.

Sometimes the merging body is called Theia, named after the mythological Greek Titan that was Selene's mother, the Moon's goddess.

Gwar [14]3 years ago

4 0

The earth and moon were created By a collision between two planetary objects Each five time the size of mars. Is the newest hypothesis.

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4. A disobedient student dropped his Physics textbook (mass 0.1kg) from the window (15m above the ground). How fast was it going

vaieri [72.5K]

Answer:

v= 17.15 m/s

Explanation:

mass of the book=0.1 Kg

height above ground, h= 15 m

Using conservation of energy

Potential energy is converted into kinetic energy

$mgh = \frac{1}{2}mv^2$

$v=\sqrt{2gh}$

$v=\sqrt{2\times 9.8\times 15}$

$v=\sqrt{294}$

v= 17.15 m/s

Hence, the book will hit the ground at the speed of 17.15 m/s.

8 0

2 years ago

You walk six blocks east along 12th Street, then three blocks west, then one block east, then six blocks east, then seven blocks

Oksana_A [137]

Displacement depends upon the path taken as it is a vector.

From your problem above we would have a total displacement of;
Defining +x direction as east and -x direction as west

6east-3west+1east+6east-7west

6-3+1+6-7=3 blocks east or + x-direction

So even though they walked a total of 17 blocks it ends up only being 3 blocks total in +xdirection that was travelled by displacement.

Any questions please ask.

5 0

3 years ago

What is the relationship between matter and energy as it changes states of matter (phase changes?)

AlekseyPX

These energy exchanges are not changes in kinetic energy. They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. The example we will use here is ice melting into water.

7 0

3 years ago

What yall up to yall wanna hit

gayaneshka [121]

Answer:

umm what?

Explanation:

3 0

3 years ago

Read 2 more answers

Back in their laboratory, the team of scientists carefully measure the changes in density of a freshwater sample as they decreas

BabaBlast [244]