3 years ago

What caused the solar system to form a disk?

Physics

2 answers:

mote1985 [20]3 years ago

3 0

That is a really interesting questions but I did look it up and didn't understand anything they said

vovikov84 [41]3 years ago

3 0

The solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the explosion of a nearby star (called a supernova). This explosion made waves in space which squeezed the cloud of gas and dust.

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A book is sitting on a desk. What best describes the normal force acting on the book?

Marat540 [252]

Explanation:

in my opinion I'd say it's gravity because it's making the book stay in it's one and only position pulling the book at the center of the desk

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A nonzero net force acts on a particle and does work. Which one of the following statements is true?

arlik [135]

Answer:

option (D) is correct.

Explanation:

According to the work energy theorem, the work done by all forces is equal to the change in kinetic energy of the body.

the kinetic energy of a body is directly proportional to the square of the speed of the body.

As the kinetic energy change, the speed of the body also change.

Option (D) is correct.

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3 years ago

How many strings of length 10 over the alphabet (a, b, c, d] have at least one b somewhere in the string?

Lapatulllka [165]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The correct option is B

Explanation:

The number of alphabet is n= 4 (a , b , c , d )

Generally the total number of string of length 10 over the 4 alphabets is

$N = 4^{10}$

Gnerally the number of string of length 10 that does not include b is

$T = 3^{10}$

Generally the number of strings of length 10 over the 4 alphabets that have at least one alphabet b somewhere in the string is

$G = N - T$

=> $G = 4^{10} - 3^{10}$

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3 years ago

Consider a point on a bicycle wheel as the wheel makes exactly four complete revolutions

Slav-nsk [51]

It makes a cycloid pattern in parametrics if that's what you're asking~

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Which statement BEST describes the process of playing sports?

irina1246 [14]

Answer:

Explanation:

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