physics 22

[Kodzzz]

Wow!! You were able to solve 2nd question

mine was comming in thousands

 

[rabos1]

mine was comming in thousands

What do you think of gt this time?

 

[Hassan22]

39 was A and 35 was B.

no 39 was A nd 33 was B

 

[DumbIdiot]

i think it was 40mm

its actually 20mm

 

[rabos1]

Some questions were very east but some were quite difficult.. :/

 

[urvi kapoor]

How was it 20mm?

 

[urvi kapoor]

its actually 20mm

How did you get 20mm?

 

[I don't care]

I got 120 m in question number 2 what did you people get? i got 0.19 or 0.18 in pq distance

 

[rabos1]

I got 120 m in question number 2 what did you people get? i got 0.19 or 0.18 in pq distance

Two forces were normal contact force and weight? And how did you draw the wave?

 

[Muhammad TAimoor]

yooo guys wat was the amplitude...???

Amplitude was 40 mm. A travelled a total distance of 80 mm from extreme down to the top. So amplitude is the greatest distance travelled from mean position. Dividing 80 with 2 gives 40. So, it's 40

 

[I don't care]

Two forces were normal contact force and weight? And how did you draw the wave?

0.05 was i/4 th a wave since it's a stationary wave i drew a flat line :/ don't know if it's right

 

[rabos1]

0.05 was i/4 th a wave since it's a stationary wave i drew a flat line :/ don't know if it's right

Stationary wave is formed when identical waves overlap blah blah... I wrote progressive and transverse.. no? I drew the wave in same manner..

 

[rabos1]

Stationary wave is formed when identical waves overlap blah blah... I wrote progressive and transverse.. no? I drew the wave in same manner..

Wave which we had to draw was stationary? I didn't draw a straight line..

 

[hela]

did anyone get power=41w and pq =.18m

No PQ was 0.089
for the power you had to calculate the power of BOTH the wires

 

[hela]

Stationary wave is formed when identical waves overlap blah blah... I wrote progressive and transverse.. no? I drew the wave in same manner..

I also wrote stationary since they said it was UNDER TENSION and they also showed that at the end it was like a straight line.. What do you guys think?

 

[hela]

How were we supposed to calculate power?

its not 0.18... You had to use the KE given above and the answer would be 0.089

 

[hela]

P= Current square x Resistance of two wires.

YES!

 

[RWTH]

I wrote distance PQ 0.093. Because the previous question had estimated KE to be 1.3 whereas when we were solving it was 1.25. Any idea if I'll lose marks over it because I did use the same formula and the same answer as previous one given?

 

[Musab100]

Exactly, the threshold should be like 56/57 on 60 for an A

make it 60

 

[rabos1]

I also wrote stationary since they said it was UNDER TENSION and they also showed that at the end it was like a straight line.. What do you guys think?

WELL, I don't know.. I thought stationary wave is only produced when two identical wave overlap while passing through same medium at the sane time in exactly opposite direction..and in stationary wave, all particles oscillate with same amplitude, right? Anyway, it was transverse right?