Mechanics 1 P42 2014; Discussion!

[GCE As and a level]

Can someone please tell me for the collision question, what was T? Was it 8?

i think that i got it 5

 

[huh]

i think that i got it 5

Are you sure that it is 5? Did you take the distance for one body as 's' and the other body as 's+10' for the same time T and solve?

 

[Oishee Asif]

Are you sure that it is 5? Did you take the distance for one body as 's' and the other body as 's+10' for the same time T and solve?

Dude. I posted the solution. ;_;

 

[Oishee Asif]

Dude. I posted the solution. ;_;View attachment 42759

I'm 10000000% I'm correct.

 

[Emadthegreat]

anyone s1?

 

[huh]

I'm 10000000% I'm correct.

Wow, you're really scaring me. But why have you taken them to be travelling in opposite directions. I dont remember reading that in the question. Are you sure that it mentioned the two objects travelling in opposite directions.

 

[Emadthegreat]

ufh

 

[Emadthegreat]

ufh

 

[Oishee Asif]

Wow, you're really scaring me. But why have you taken them to be travelling in opposite directions. I dont remember reading that in the question. Are you sure that it mentioned the two objects travelling in opposite directions.

If they weren't travelling in opposite directions, how're they gonna collide? -_-...
Well, they could collide like that. But then it'd be more of a conservation of energy question, wouldn't it? Perfect collision, inelastic collision? We've done many past questions like this.

What was your solution, then?

 

[Emadthegreat]

If they weren't travelling in opposite directions, how're they gonna collide? -_-...

thanks

 

[huh]

If they weren't travelling in opposite directions, how're they gonna collide? -_-...
Well, they could collide like that. But then it'd be more of a conservation of energy question, wouldn't it? Perfect collision, inelastic collision? We've done many past questions like this.

What was your solution, then?

I dont know how energy is involved here. But since one is accelerating and the other is at constant velocity, eventually the one accelerating would collide with the constant velocity one. Maybe you're correct and I didnt read the question properly, but I just want to be sure.

 

[Emadthegreat]

u read

I dont know how energy is involved here. But since one is accelerating and the other is at constant velocity, eventually the one accelerating would collide with the constant velocity one. Maybe you're correct and I didnt read the question properly, but I just want to be sure.

I dont know how energy is involved here. But since one is accelerating and the other is at constant velocity, eventually the one accelerating would collide with the constant velocity one. Maybe you're correct and I didnt read the question properly, but I just want to be sure.

it wrong

 

[huh]

u read


it wrong

Ok thanks, hopefully i get ecf or something.

 

[Emadthegreat]

whats ecf?

 

[Emadthegreat]

whats ecf?

 

[Nourin]

The Paper was awful . So hard

 

[Emadthegreat]

The Paper was awful . So hard

yeah

 

[Thought blocker]

*coughs* I am repeating M1

 

[Thought blocker]

Dude. I posted the solution. ;_;View attachment 42759

I can see that wired smile at the end

 

[Oishee Asif]

I can see that wired smile at the end

;]