Solve Impulse and Depth Homework Challenge

[aq1q]

i rounded of course.. sigfigs.. 1.1914 = 1.2

 

[physicsbhelp]

okay thanks that's what i got, but now for the second part am i going to use Sy = VyT + g(t squared) times .5

 

[aq1q]

well first of all u can use that.. but u won't use g.. u will use a, which u solved for.. remember 1411.76...however that's the longer way.. do it this way

Vf=Vo+at (sorry if i use a and V, that's the way i am taught, instead of S)

 

[Dick]

ok.. but what does that have to do with him and i being in the same class?

Apologies. I'm not used to getting hammered by two people at the same time. I get confused. You seem to be asking the same questions and I thought you might be working on the same problem. This is a really good reason not the break into somebody else's thread with your own problem.

 

[aq1q]

the final velocity =0, initial velocity= known, once u get the time.. u know what to do next.

 

[Dick]

Bye.

 

[physicsbhelp]

okay so for time i got = 2.38s is that right>?

 

[aq1q]

Apologies. I'm not used to getting hammered by two people at the same time. I get confused. You seem to be asking the same questions and I thought you might be working on the same problem. This is a really good reason not the break into somebody else's thread with your own problem.

well yes.. but it wasn't really a problem it was just something i needed reassurance. and today is my first day here.. I'm learning. my apologies

 

[physicsbhelp]

but i don't know the force so how can i find impulse.

 

[aq1q]

im not sure, but that doesn't look right.. what did u do?

 

[aq1q]

force is given

 

[physicsbhelp]

i did V= Vinitial + at and for V initial i used 58
ooooooo wait i accidentaly squared 58...
so now for t I am getting = .04108s

 

[aq1q]

there is an easier way to do this.. impulse= f(delta T), but it is also = mV1-mV2

 

[physicsbhelp]

so is the impulse = 4930.002?

 

[physicsbhelp]

or do i multiply 4930 by 1.2 E 5?

 

[aq1q]

ya its 4930

 

[physicsbhelp]

1.2 times 10 to the 5th power

 

[aq1q]

how did u get that?

 

[physicsbhelp]

Omg
Thank You!
You Are The BEST!
!
!
!
!

 

[physicsbhelp]

Nvm What I Said In Post 64.

 

[physicsbhelp]

THANK YOU AGAIN SO MUCH FOR HELPING ME. I MIGHT TO physics c next year. but i don't know yet. anways THANKS

 

[aq1q]

lol ok np, btw what grade are u in? I am a senior

 

[physicsbhelp]

Im A Junior

 

[physicsbhelp]

Thanks.

 

[aq1q]

yup, u should also try to help out ppl... when u think u know how to do it

 

[physicsbhelp]

YAH OF COURSE I WILL.
thanks again.
it was really nice of you to stay up soo late and help me

 

[dominus96]

physicsbhelp I really think you go to my school because I have this same exact problem and I am also a junior in Physics B.

 

[aq1q]

wow that's hilarious

 

[physicsbhelp]

that does not matter, and i go to a very big college--not a school (do you mean high school??) so there is no chance i know you because you have asked me before where i live, and i do not live in that state. now leave me alone, please.