Physics Question

[WolfLMM]

2 things, In this problem you cant ignore air resistance as the question says "A bullet is fired straight up into the air"
it also says it "stops Briefly" Based on how the question is worded is a false statement.

the bullet is under power, and will +accelerate, then gravity and resistance will cause a -acceleration.


X2

Mike, you can't possibly calculate the terminal velocity of the bullet. You know nothing about the bullet. So logically you have to conclude that you are ignoring air resistance.



Further more you contradict yourself by disagreeing with my post then agreeing with pats post. I find that funny.

You can't measure the amount of time the bullet is stopped, but it does stop. However that does not mean it is not accelerating. Remember the acceleration of gravity is constant, otherwise we would all float off the floor!


I shouldn't ask this but here goes, you slam your hand down onto a table, what stops your hand from traveling right through the table? Now I have opened a can of worms.

 

[Poltergeist]

I shouldn't ask this but here goes, you slam your hand down onto a table, what stops your hand from traveling right through the table? Now I have opened a can of worms.

The pizza that was on the table and that is now under your hand.

 

[seth999]

If I'm shooting up all I care about is hitting my target and evidently he missed the bird...this thread was interesting though physics classes always made my think too much lol

 

[Mike]

I shouldn't ask this but here goes, you slam your hand down onto a table, what stops your hand from traveling right through the table? Now I have opened a can of worms.

Newtons laws of motion help define the reason.

 

[Chevy1925]

I shouldn't ask this but here goes, you slam your hand down onto a table, what stops your hand from traveling right through the table? Now I have opened a can of worms.

Isnt it the table pushing back on your hand. based on newtons laws

 

[McRat]

...
I shouldn't ask this but here goes, you slam your hand down onto a table, what stops your hand from traveling right through the table? Now I have opened a can of worms.

If you were Chuck Norris, nothing.:thumb:

 

[WolfLMM]

If you were Chuck Norris, nothing.:thumb:

Lol.

 

[WolfLMM]

Electromagnetic's

 

[SBLC]

I was wrong yesterday and didn’t realize I had the wrong graph in mind doh: graph is on first page) so the right graphs are now posted which might help some get a physical picture of what’s going on.
That’s the most action smoke signals has seen in quite sometime,

 

[Mike L.]

Newtons laws of motion help define the reason.

Newton traveled a gravel road.:rofl: He made many mistakes.

 

[Mike L.]

Electromagnetic's

Don't think so. If the hand would have stopped without the table, then yes. But it didn't.

 

[Mike]

:rofl:

Newton traveled a gravel road.:rofl: He made many mistakes.

 

[RENODMAX]

About 90% of Newtons work was attempting to calculate the dimensions of Solomon's temple so he could appropriately envision it.
Concerning the bullet for those of you that think it never stops as otherse have stated gravity is always acting on it, and second if you take into account the 4th dimension (time) you would know that things do not travel in straight lines with time taken into account(therefore constantly changing direction). Stuff to make your brain rattle