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KATRIN_1 [288]
3 years ago
15

Could someone please explain isotopes, and what they do/are? If not thats fine, thank you

Physics
1 answer:
Firdavs [7]3 years ago
7 0

Answer:

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.

"some elements have only one stable isotope"

Explanation:

there ya go! Pls give me brainliest!

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Match the theory to the statement that best describes it. 1. big bang. 2. steady state. 3.osscillating universe. 4. inflation Ch
Gre4nikov [31]

Explanation :

(1) Big bang : (1) The most accepted theory on the origin of the universe.

This theory shows the expanding of the universe from high density and high-temperature states.

(2) Steady state : (3) All is the same and will always stay the same.

Steady state means that the properties of any system remain the same always.

(3) Oscillating universe : (4) Agrees with the big bang theory but insists the universe expanded much quicker.

Oscillating universe theory is the result of big bang theory.

(4) Inflation Choices : (2) it's like an inflating and deflating balloon that never stops.  

In cosmology, cosmic inflation or deflation is just the expanding and contraction of the universe.

So, the statements and the choices are related as:

               (1)-(1)

              (2)- (3)

               (3)-(4)

               (4)-(2)

8 0
4 years ago
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What is the momentum of a bowling ball with mass of 8.9 kg and a speed of 6.0 m / s
PtichkaEL [24]

Answer:

The momentum of the bowling ball is 53.4 kg-m/s.

Explanation:

We have,

Mass of a bowling ball is 8.9 kg

Speed of the ball is 6 m/s

It is required to find the momentum of the ball. The momentum of an object is given in terms of its mass and speed as :

p = mv

p=8.9\times 6\\\\p=53.4\ kg-m/s

So, the momentum of the bowling ball is 53.4 kg-m/s.

7 0
4 years ago
(Please help me this needs to be done ASAP )
butalik [34]
The answer is B thank me later !
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8.How long is a day? A year?
prisoha [69]

Answer:

  • There are a total of 24 hours in a day
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Which of the following is NOT an insulator?
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I don’t know how air would be an insulator so I’m guessing that one isn’t
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