Recent content by Anirak

Bump I know I asked late, but this is due in 30 minutes, so if anyone could help that'd be wonderful!

(16-9)/2 (21-16)/2 (24-21)/2 (25-24)/2 Taking two of the values to determine acceleration: [(1/2)-(3/2)]/(2) = -0.5 units/sec Since 1 unit = 75 cm, this comes to -37.5 cm/s^2. Converting to m/s we get 0.375 m/s. Plugging into F = ma along with 4 kg we get a value of -150 N...

I'm not actually sure what you mean. By v(t) do you mean velocity * time? If that's the case, I'm not sure how to find velocity other than by subtracting the position at two points and dividing by the difference in time at those two points. For that, I got (9-0)/(2-0) for the first two points.

Homework Statement It's webbased, so I just took a screenshot: http://img27.yfrog.com/img27/2237/pyquestion.jpg Homework Equations F = ma The Attempt at a Solution Well, the way I figured it was that we could determine the force by calculating the average velocity between two...

Alright, thanks man, I appreciate it!

This is literally the exact page: http://physics.bu.edu/ulab/prelabs/prelab_forces.html But I will go ahead and quote the questions: Did you check out the simulation link I posted? I'm sure reading about it in text just doesn't have the same effect...

Homework Statement The problem is to give the forces that two carts experience in 4 different situations. A java applet was provided to simulate the situations which is http://physics.bu.edu/ulab/prelabs/prelab_forces_1.html" , but I will describe them as well, just in case you don't have java...