PHY4 Jun 05 Thread :(

it was (660-390)/390 and yes the answer was 2X10^8 ( i think). That is a reasonable value.

1) The pd is shared so the 4microF capacitor gets half (ie 12V) then you use Q=CV.

2) Yes

... I think

i got that - got same firm and insurance as you - what college you got an offer from Hash?

phil

I got 0.3cm for the distance between two nodes, and please, people, use some units after your numbers so it's easier to understand what everybodies is talking about.

****, i shouldn't be on here - discovering too many mistakes!!!!

Yes they both act downwards. But the centripetal force is the resultant force, of both the weight and the reaction. Hence (taking downwards to be positive) centripetal force = weight - reaction force.

I'm not entirely sure about that though.

Im sure its F=mg +Centripetal force ....but i could be wrong!

What was your guys maximum displacement on the graph? something greater than 4.5cm?

Also did anyone get -1.6 as one the displacements.

3 = answers are 2,1.6,2.5
then plot them was some marks
3 marks for the graph

Im sure its F=mg +Centripetal force ....but i could be wrong!

i did that, but think its wrong - i'm a pessimist

Yep I noticed! Mine is from Lincoln...yours is LMH isn't it?

i got that - got same firm and insurance as you - what college you got an offer from Hash?

phil

Im sure its F=mg +Centripetal force ....but i could be wrong!

Yessssss....i got that toooo!!!

whatever it was the force is always a positive answer...im sure i got it right