All the data you need is in the pictures. My professor told me to keep in mind y
ID: 1413368 • Letter: A
Question
All the data you need is in the pictures. My professor told me to keep in mind y=mx+b and mwg=(mc+mw)a +mc(g)(sin0) and y=(mc+mw)x and y= (m)(x) not sure what all that means but the slope is correct he said and I just need help with these 2 questions below:
1. DETERMINE PERCENT ERROR BETWEEN THE OBTAINED SLOPE AND ITS EXPECTED VALUE.
2. INCLUDE A SAMPLE ERROR CALCULATION. WHAT ARE POSSIBLE SOURCES OF ERROR?
1. DETERMINE PERCENT ERROR BETWEEN THE OBTAINED SLOPE AND ITS EXPECTED VALUE.
2. INCLUDE A SAMPLE ERROR CALCULATION. WHAT ARE POSSIBLE SOURCES OF ERROR?
Explanation / Answer
1) PERCENT ERROR BETWEEN THE OBTAINED SLOPE AND ITS EXPECTED VALUE
= (5.199 - 4.991)/(5.199) * 100 %
= 4 %
2) A SAMPLE ERROR CALCULATION
= (0.3243 - 0.3189)/(0.3243) * 100 %
= 1.66 %
POSSIBLE SOURCES OF ERROR
1) Friction in pulley .
2) Friction in inclined plane .
3) Incorrect angle measurement .
4) Viscous drag of air .