Recent content by ldv1452

Those are some good points. I'm sure I'll just end up letting it go. The thought crossed my mind in frustration, but I know its not worth the hassle. Thanks for the input on this!

Haha, yeah I did my venting earlier, but I am considering talking to the physics dept head or at least another professor about this. It may be a waste of time, but it doesn't seem right to treat a student this way.

It is what it is I guess. I just wanted to make sure my thinking wasn't way off base and that I wasn't missing something obvious.

Some thought the same as me. Many actually got the question right though, but only because they didn't even think that going around the track they'd actually end up closer after 300m (see that's what I thought the "trick" to the problem was...to recognize the final displacement). He used the...

I don't mind losing the points on the test, what really frustrated me is that he seemed annoyed I even questioned it and when I tried to challenege his explanation and give my reasoning he didn't even let me really go through it. He just said ok you challenged me and i gave you my answer so...

I know what you're saying here and I was thinking the same thing (if we want to be completely accurate). It appeared to me though that the question was to test the understanding between average speed and average velocity, which is why I took 100m to be the displacement (or possibly -100m and...

Thanks for taking the time to reply. I think I need a better understanding of some of these fundamental concepts before I can solve this.

Velocity is a basic concept that I thought I understood well, but perhaps I am missing something here. My professor gave me an explanation but am I still unclear. If you run a complete loop around an outdoor track (400m) and then an additonal 300 m in 200s (total time), your average velocity...

How would I go about calculating the orbital speed of a planet without using the distance of its path. In other words, only using the motion around the plane of ecliptic? My first thought was using the angle of the path somehow, but I'm a bit stumped here. Thanks for any input!

Good answer on this. I appreciate it. Thanks!

Can both the forward and reverse reaction be endothermic or exothermic? Or must they ALWAYS be inverse one another? Thanks

What is the mechanism that results in formic acid quickly converting to CO2. I know this happens under basic conditions so I'm assuming the first step is forming the formate ion.

Water ion product constant? Conceptually, why does this constant exist so that the products of hydronium and hydroxide ions are always in a constant ration? Why does this not fluctuate?

This may seem like an odd forum for this question but I couldn't find an answer anywhere else. Why is it always recommended to rinse the dishwashing liquid and bleach with cold water, rather than hot, when cleaning a jacuzzi tub. Doesn't hot water dissolve and rinse better? My guess is energy...

Which is more electronegative, nitrogen or chlorine? Most of what I hear or read says that nitrogen is more electronegative. However, oddly, most electronegativity charts I see show chlorine with a slightly higher value. Why is this?