Exploring Gravity, Waves, and Nuclear Reactions: Answers to 4 Common Questions

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C12 is known as a stable isotope, meaning it does not spontaneously decay into other elements. This is why it remains undisturbed in dead tissue.
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EIRE2003
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1. What is the relationship between the acceleration due to gravity and the distance from the centre of the Earth?

2. Which wave phenomenon can be used to distinguish between transverse waves and longitudinal waves?

3. ^14C decays to ^14N. Write an equation to represent this nuclear reaction.

4. Why does ^12C in dead tissue remain undisturbed?

Im stuck with these 2 questions that are in my leaving cert sample papers. Can anybody help with these please?
Thanks
 
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Originally posted by EIRE2003
1. What is the relationship between the acceleration due to gravity and the distance from the centre of the Earth?

2. Which wave phenomenon can be used to distinguish between transverse waves and longitudinal waves?

3. ^14C decays to ^14N. Write an equation to represent this nuclear reaction.

4. Why does ^12C in dead tissue remain undisturbed?

Im stuck with these 2 questions that are in my leaving cert sample papers. Can anybody help with these please?
Thanks

1) 'g'=Gm/r^2

2) Polarisation

3) I can't do this with Latex easily, but as this should be in the HWK help section, show us what you have done first. A Neutron changes into a Proton and an Electron though - that should help you.

4) C12 is a very stable atom with a very long halflife, C14 has a half life of around 5760 years.

We're happy to help, but do post in the Homework Help section in future.
Adrian :smile:
 
  • #3
C12 is a very stable atom with a very long halflife

"Long" in this case means foreover.
 

1. What is gravity and how does it work?

Gravity is a fundamental force of nature that causes objects with mass to attract each other. It is responsible for the motion of planets around the sun and the formation of galaxies. According to Einstein's theory of general relativity, gravity is the result of the curvature of space-time caused by massive objects.

2. What are waves and how do they behave?

Waves are disturbances that transfer energy without transferring matter. They can take many forms, such as sound, light, and water waves. Waves behave differently depending on their type, but they all follow the principle of superposition, where multiple waves can combine to form a new wave.

3. What is nuclear reaction and why is it important?

Nuclear reactions involve the transformation of atomic nuclei, resulting in the release of large amounts of energy. This process is the basis of nuclear power and nuclear weapons. Understanding nuclear reactions is crucial for energy production and weapons development, but it also has important applications in medicine and research.

4. How do gravity, waves, and nuclear reactions relate to each other?

Gravity plays a role in both waves and nuclear reactions. In the case of waves, gravity is responsible for the formation of ocean waves and the oscillation of objects like pendulums. In nuclear reactions, gravity helps to hold together the particles in an atom's nucleus, which is crucial for the stability of the atom. Additionally, waves and nuclear reactions can produce gravitational waves, which are ripples in space-time predicted by Einstein's theory of relativity.

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