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blagie [28]
2 years ago
3

Which statements accurately describe atoms? Check all that apply. Atoms cannot be divided. There are only a few different types

of atoms. A single atom can be seen using a standard microscope. Atoms were named in the fifth century BCE. Atoms are the smallest unit of matter.
Physics
2 answers:
Aleks [24]2 years ago
7 0

the right answer is

Atoms cannot be divided.

Atoms were named in the fifth century BCE.

Atoms are the smallest unit of matter.

zloy xaker [14]2 years ago
3 0

Answer:

The answers are:

- Atoms cannot be divided.

- Atoms were named in the fifth century BCE

- Atoms are the smallest unit of matter.

Explanation:

The atom is the smallest constituent unit of matter that has the properties of a chemical element, that is, an atom is the smallest amount of a chemical element that has its own existence and is considered indivisible. Each solid, liquid, gas and plasma is composed of neutral or ionized atoms. The concept of atom as a basic and indivisible block that composes the matter of the universe was postulated by the atomist school in Ancient Greece, in the 5th century BCE, being Democritus one of its exponents.

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If it takes an airplane 15 minutes to go from 30 mph to 330 mph, what is its acceleration?
zzz [600]
Using the a=vf-vi divided by tf-ti:
A is acceleration
Vf is final velocity- 330
Vi is intial velocity-30
Tf is final time-15
Ti is initial time-0
A = 330-30 divided by 15-0
A = 300 divided by 15
A= 20 m/s^2 
Hope this helps
3 0
2 years ago
PLEASE ANSWER ACCURATELY DO NOT GUESS PLEASE AND THANK YOU
krek1111 [17]
Hello! I can help you with this!

1. Providence- Rhode Island
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6. Savannah- Georgia
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4 0
2 years ago
A damped harmonic oscillator consists of a block of mass 2.5 kg attached to a spring with spring constant 10 N/m to which is app
Cerrena [4.2K]

Answer:

0.5% per oscillation

Explanation:

The term 'damped oscillation' means an oscillation that fades away with time. For Example; a swinging pendulum.

Kinetic energy, KE= 1/2×mv^2-------------------------------------------------------------------------------------------------------------(1).

Where m= Mass, v= velocity.

Also, Elastic potential energy,PE=1/2×kX^2----------------------------------------------------------------------------------------------------------------------(2).

Where k= force constant, X= displacement.

Mechanical energy= potential energy (when a damped oscillator reaches maximum displacement).

Therefore, we use equation (3) to get the resonance frequency,

W^2= k/m--------------------------------------------------------------------------------------(3)

Slotting values into equation (3).

= 10/2.5.

= ✓4.

= 2 s^-1.

Recall that, F= -kX

F^2= (-0.1)^2

Potential energy,PE= 1/2 ×0.01

Potential energy= 0.05 ×100

= 0.5% per oscillation.

6 0
2 years ago
Nicki rides her bike at a constant speed for 6 km. That part of her ride takes her 1 h. She then rides her bike at a constant sp
Savatey [412]

km x h = km/h

First trial: 6 x 1 = 6km/h

Second trial: 9 x 2 = 18km/h

6 + 18 = <u>24km/h</u> (Total)

Or

6 + 9 = 15 km

2 + 1 = 3h

15 + 3 = 18

15 x 2 = 30

3 x 2 = 6

30 - 6 = <u>24km/h</u>

8 0
2 years ago
"As the Voyager spacecraft penetrated into the outer solar system, the illumination from the Sun declined. Relative to the situa
____ [38]

Answer:

\frac{I_{2}}{I_{1}} = 0.04

Explanation:

The intensity of a star noticed at a certain distance is inversely proportional to the square of distance. Then:

I_{1}\cdot r_{1}^{2} = I_{2}\cdot r_{2}^{2}

The intensity of the Sun in Jupiter relative to Earth is:

\frac{I_{2}}{I_{1}} = \frac{r_{1}^{2}}{r_{2}^{2}}

\frac{I_{2}}{I_{1}} = \left(\frac{1\,AU}{5.2\,AU} \right) ^{2}

\frac{I_{2}}{I_{1}} = 0.04

3 0
2 years ago
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