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xz_007 [3.2K]
2 years ago
6

Select the correct answer.

Physics
1 answer:
anyanavicka [17]2 years ago
6 0
<h2>MULTIPLE CHOICES</h2>

\large\mathcal{QUESTION:}

  • What is the basic unit of all matter?

\large\mathcal{CHOICES:}

  • OA neutron
  • OB. atom
  • OC. electron
  • OD. proton
  • OE. nucleus

\large\mathcal{ANSWER:}

  • B. Atom

_____

  • <u>Atom</u> is the smallest, <u>indivisible unit of a chemical</u> <u>element and the fundamental unit of matter</u>. It consists of a nucleus (neutrons + protons) surrounded by an electron cloud. The <u>atom</u> is the smallest unit of matter that cannot be divided chemically and is a building block with its own set of properties.

<h3>#ProvideUniqueAnswers</h3>
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Margaret wants to go for a swim, and decides to jump in using the diving board that measures 3-m long.
otez555 [7]

Answer:

The horizontal component of her velocity is approximately 1.389 m/s

The vertical component of her velocity is approximately 7.878 m/s

Explanation:

The given question parameters are;

The initial velocity with which Margaret leaps, v = 8.0 m/s

The angle to the horizontal with which she jumps, θ = 80° to the horizontal

The horizontal component of her velocity, vₓ = v × cos(θ)

∴ vₓ = 8.0 × cos(80°) ≈ 1.389

The horizontal component of her velocity, vₓ ≈ 1.389 m/s

The vertical component of her velocity, v_y = v × sin(θ)

∴ v_y = 8.0 × sin(80°) ≈ 7.878

The vertical component of her velocity, v_y ≈ 7.878 m/s.

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Answer:

C firework

Explanation:

from Quizlet

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vivado [14]

Answer:

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Static force of friction is calculated as follows:

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F is static force of friction.

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η is the normal force.

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It is important to organize your data because
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