yes kurdt it should cancel out but since I'm dealing with a time less then a second but if i looked at the blocks i would be more likely to start the stopwatch before the blocks hit and would be less likely to stop it on time. So in order to get over that problem i got someone to stand beside me...
Today i did a simple expirement to calculate the speed of sound by placing someone 180 m away from me and telling the clap two wooden blocks. I timed the time it took between me seeing the blocks hit each other and when i heard the sound of the two blocks. Now in order for this to be as acurate...