![]() Setting aside what you were told to do, for the moment, what would be a more appropriate way to plot velocity against time? If you do that, do you see the same result as for D v. We know that your method of determining v at a given time is wrong, and it may be that this is somehow compensating for an error in the data, giving the appearance of greater accuracy. I only know the relative times, and perhaps even with the correction that we add in, it's just much more uncertain? In which case, squaring it will enhance the error on it? But I feel like i know the distances much better than I know the velocities. Fix the mass to one end of the ticker tape using the crocodile clip. A ticker timer A 12V ac power supply Ticker tape A small mass (say 50g) A crocodile clip and some thread A retort stand, boss and clamp Scissors A ruler. But that would make me think that plotting distance over time would give a better estimate, except my distance versus time^2 plot gives me a value that isn't as close to the known value of g than v versus t. The aim of this experiment is to measure the acceleration due to gravity using a ticker timer. Hmmm, well I know that the actual velocity at each point won't be the average over a segment. The acceleration due to gravity is usually considered to be 9.8 m/s 2. These methods will be compared for the effectiveness and precision. But i don't see this curve in the other plot, is this again, just because the t^2 is magnifying the errors? In this lab, we will use several methods to measure the acceleration of an object due to gravity. I also notice that in my D vs t^2 plot, there is a slight curve at the beginning, I'm guessing this is because the magnet when it's closer at the beginning of the drop. Is it accurate to say that the first method using v vs t is probably more reliable because, maybe errors would get propagated through the t^2 in the second method, but not for the first method since it's just t? My question is, I'm supposed to think of which method seems better. The second method we plot Distance versus t^2 since D(t) =. The first method, we make a plot of velocity versus time, because V = V0 + gt, so the slope of the line will be g. And then we use the distances of the marks on the tape to calculate gravity. This acceleration is called acceleration due to gravity. When a body is fallen toward the earth it experiences a change in its acceleration due to the gravitational pull (or force) of the Earth. For two of the methods, we have an object attached to a magnet, then the magnet is turned off so the object is in free fall and it makes a spark/mark every 1/60th of a second on a piece of tape. Acceleration due to Gravity is defined as the acceleration attained by an object due to the gravitational force of attraction. ![]() ![]() So I did a lab where we are calculating the acceleration due to gravity using a variety of methods. ![]()
0 Comments
Leave a Reply. |