Gravity's Impact: Comparing Ball A and B

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SUMMARY

In the discussion regarding the impact of gravity on two balls, Ball A filled with air and Ball B filled with water, it is concluded that Ball B will hit the ground first due to the higher density of water compared to air. The potential energy equation, U=mgh, is referenced to understand the gravitational force acting on both balls. The discussion emphasizes the importance of considering air pressure within Ball A, which could affect its descent.

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  • Understanding of gravitational potential energy (U=mgh)
  • Basic knowledge of density and its effects on falling objects
  • Familiarity with concepts of air pressure
  • Knowledge of the principles of free fall
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  • Study the relationship between density and buoyancy
  • Explore the principles of fluid dynamics in relation to solid objects
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Homework Statement



consider two balls of exactly the same size and material.
Ball A is filled with air and ball B is filled with water.if dropped from a height of 100 feet,which will hit the ground first?

Homework Equations


U=mgh.

The Attempt at a Solution



i suggest the ball B will hit the ground first because the water is more denser than air.
:)
 
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zizodev said:

Homework Statement



consider two balls of exactly the same size and material.
Ball A is filled with air and ball B is filled with water.if dropped from a height of 100 feet,which will hit the ground first?

Homework Equations


U=mgh.

The Attempt at a Solution



i suggest the ball B will hit the ground first because the water is more denser than air.
:)

Nice hunch, but can you supply a quantitative reason?
 


yes PeterO we didn't know how that air in the ball is it in high pressor or not :)
 

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