Recent content by breeno

I think I've articulated myself poorly. I acknowledge that speed is most likely and always will be a positive or absolute quantity. My argument with this other person was in relation to the given example, or more importantly a change in speed, which is the one thing we have all agreed that can...

Ah sorry, that must have been a typo, I meant initial as 3.5 and final as 3, sorry about that. Now I set out to shut that arrogant kid up! Thanks a lot for your help.

Thankyou, with regards to the question, I was under the belief that the change in speed was -0.5 (indicating the speed dropped by 0.5 with no regards to direction - my book also says -0.5), but the change in velocity was 6.5 (with regards to direction). If I was to go into my exam using the...

Alright, so a friend and I have been debating if a change in speed can be negative. I state that speed is final minus initial, which if the inital is low, the the speed will have dropped in magnitude. He states that magnitude is absolute and no negatives are allowed. I was under the belief...

Thanks for your help. I went through with a tutor today and it turns out my system was right in the way of getting it and on an exam I will get a 10% range for graph style questions. I re-drew the graph on graph paper and ended up getting the correct answer. Thanks for helping!

It's 5v and 0.6v. :p 5/0.6 = 8.33.

Homework Statement "The graph shows the characteristics of four different voltage amplifiers (A-D). The input voltage to these amplifiers is limited to between + & - 600mV. If you cannot see it properly it also says "If the input voltage is as shown (see bottom graph), sketch the...

Thankyou so much, I've been struggling with that and you've made it much clearer than my book ever would have, much appreciated!

First of all, I'm new to this forum, it's good to be here! I've been studying for my next physics exam and am having trouble with one type of question, here it is (I have tried my best to replicate the image on paint): Homework Statement Two stars of masses "M" and "m" are in orbit around each...