Vertical Velocity: A Key Concept in Physics?

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Homework Help Overview

The discussion revolves around the concept of vertical velocity in the context of a physics problem involving a ball's motion. Participants are exploring the influence of horizontal velocity on the vertical drop and the implications of gravitational acceleration values.

Discussion Character

  • Exploratory, Assumption checking, Conceptual clarification

Approaches and Questions Raised

  • Participants question the relevance of horizontal velocity to the problem and whether it affects the outcome. There is also a discussion about the appropriate value for gravitational acceleration and its implications for the problem's setup.

Discussion Status

The discussion is ongoing, with various interpretations being explored. Some participants are attempting to clarify the problem's requirements, while others are raising concerns about the completeness of the information provided. Guidance has been offered regarding the need for effort in problem-solving.

Contextual Notes

There are indications of confusion regarding the specifications of the problem, including the values for gravitational acceleration and the relevance of drop distance. Participants are also reminded of the forum's policy on homework assistance.

clonk99
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Homework Statement


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Homework Equations


Can someone please help me with this question?

These are the formulas you can use
http://www.sqa.org.uk/files_ccc/PhysicsSQPN5RelationSheet.pdf

Thanks
 
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Hi,

what is the influence of the horizontal velocity of the ball on the result?
 
I don't really know what you're trying to ask sorry. But 9.8g uhh is the gravitational force... <_>
 
I want to simplify the problem and rule out all the information, which are not necessary to solve the problem. My question was: would it make a difference, if the ball would have a horizontal velocity of 10 or 20 m/s or any other value?
 
The question is over specified (and inconsistently so). You are given both the time of drop and the distance.
What are you told to use as the value for g, 10m/s, 9.8 or 9.81?
To get one of the offered answers you need to ignore the drop distance and use a g of 9.8 or 9.81.
 
9.8ms
 
clonk99 said:
9.8ms
Hmmm... 9.8m/s you mean.
 
haruspex said:
Hmmm... 9.8m/s you mean.

9.8 m/s2
 
ya.
 
  • #10
stockzahn said:
9.8 m/s2
Even better.
 
  • #11
clonk99 said:
ya.

@clonk99 -- You need to start showing some effort, or this schoolwork thread will be deleted. We do not do your schoolwork for you here at the PF.
 

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