YumYum247
  • YumYum247
Help me Please!!!
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
YumYum247
  • YumYum247
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YumYum247
  • YumYum247
@sweetburger
IrishBoy123
  • IrishBoy123
where are you stuck?

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YumYum247
  • YumYum247
I've attempted to do all three questions on my own, but can you please check my work??? For question A....this is what i wrote...|dw:1442537315350:dw|
YumYum247
  • YumYum247
The reaction force would be the same (1000N left) since the mass of both stones A and B is the same.... so whatever force stone A was travelling at received the same force back from stone B and that's why it immediately stopped.
YumYum247
  • YumYum247
b) Determine the action force on stone B and its acceleration... Ans) Since the mass of both stones is the same, the applied force on stone A transferred the same force to the stone B. And therefore and it accelerated stone B with the same velocity.
YumYum247
  • YumYum247
c) Determine the velocity of stone B as it loses contact with A. I'm not really sure about think one, please help me.....!!! :")
YumYum247
  • YumYum247
@Astrophysics please come rescue me from this PLEASE!!!
Astrophysics
  • Astrophysics
What is app?
Astrophysics
  • Astrophysics
You need to be more consistent with your notation
Astrophysics
  • Astrophysics
Oh applied?
YumYum247
  • YumYum247
yuss Faap = applied.
YumYum247
  • YumYum247
i meant Fapp = applied.
Astrophysics
  • Astrophysics
Ok cool, so make your own FBD and label it
YumYum247
  • YumYum247
ok i'll do that, i can't draw it here tho, it takes too long :(
YumYum247
  • YumYum247
but my answers make sense right..
Astrophysics
  • Astrophysics
I don't really know what you were doing
YumYum247
  • YumYum247
Please kindly see the question sheet i uploaded... :")
Astrophysics
  • Astrophysics
Don't worry about being right now, lets try to get a systematic approach to it
Astrophysics
  • Astrophysics
You need to understand the system before you start doing the math
YumYum247
  • YumYum247
yaah!! :D ok
Astrophysics
  • Astrophysics
|dw:1442538995633:dw|
Astrophysics
  • Astrophysics
So your first question is asking to find the acceleration of stone A and reaction force acting on it, |dw:1442539047977:dw|
YumYum247
  • YumYum247
yes.!
Astrophysics
  • Astrophysics
When we deal with Newton's laws we set vertical and horizontal forces separately
YumYum247
  • YumYum247
ok.
Astrophysics
  • Astrophysics
So what are the forces on the horizontal?
YumYum247
  • YumYum247
applied Force....
YumYum247
  • YumYum247
oh sorry...actio and reaction forces!!
Astrophysics
  • Astrophysics
Yes, exactly!
YumYum247
  • YumYum247
so there is a force being applied to stone A which is moving in the right...
YumYum247
  • YumYum247
and in contrary the force that applied that force also experiences a reaction force in the opposite direction.
YumYum247
  • YumYum247
i'm referring to stone A so far,
YumYum247
  • YumYum247
so whatever pushed the stone A also felt the same force back.
YumYum247
  • YumYum247
So as it touches the stone B on the horizontal axis, the reaction force from stone B will push back on stone A which will cause the stone A to immediately stop. while the Stone B carries the net force recevied from stone A.
Astrophysics
  • Astrophysics
Sort of, think about Newton's third law of motion
Astrophysics
  • Astrophysics
I think you're starting to understand it, just mess around and see what you get
YumYum247
  • YumYum247
yah but in the case, there is no friction and most importantly the mass of both stones is the same....so therefore the net force that stone A is travelling at transfers the same force to the next stone. IF the mass of both stones were different then some of the energy would be utlized on moving that object on the horizontal axis...
Astrophysics
  • Astrophysics
When you deal with the mass note that when they are together you have \[m= (m_A+m_B)\]
YumYum247
  • YumYum247
oh ok...so the moment they touch each other, the mass is combined? O_o
YumYum247
  • YumYum247
what about acceleration at that moment????
Astrophysics
  • Astrophysics
That's what you have to figure out :)
YumYum247
  • YumYum247
Yah that's why i'm here XD

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