physics 1 lab -free fall

tall
lab 3 : free
·

models for graphs ·

procedure lab 4
·
model used to compare (time , position) data points at constant acceleration obtain a conversion factor of aubins to meters

X =
Xo + Vot +
Gat 9 = 9 8 m/s
.




equation rewritten in y mx + b format
4 aub Is 2
·
=
9 best = 291 .




v =
Vo + at

9
.8 m Xaubins2914
abso n
you can use this equation when obtaining X (position) a + (time) data to plot .




S2
a velocity vs .
time graph

Vo = intercept 29
.7 3 0 aubins per meter

d =
slope
291 4 aubins
X meters.
a
a
.




.




·

question 2 S2

·


graph for x vs .
t of a free falling object . .
0 034 meters per aubin


Xa A

as time
I ncreases the position ,




of the object relative to its

starting point increases

D
↳ the curve of the graph represents the
t
velocity of the object which is also increasing

as the object falls

velocity intercept : Initial position
Slope :
question 3
,
·




graph of v vs t
·



.




va
* Obtain velocity by v =

E
T
velocity increases as time increases due to gravity

↳ the line represents gravitational

acceleration which is constant

slope : gravity intercept : initial velocity
#
,




·
trendline equation

y = mx + b

X: independent variable

y : dependent variable


·

question 5
meaning of intercept a slope

. 3046 represents the acceleration in mis
?
m = 2


b = 3 3029 represents the initial velocity i n mis
.




* when an uncertainty is greater than the central value , It implies that the

quantity is consistent wi ze ro


eg : (0 .
07 = 0 .
09) mis


procedure
·




uncertainty in Av


v =

E
·
uncertainty of X = 0 .
05



· WemultipliedXb S s



? AV =

30AX +
1 x I . (0 05
30 .
+ 0 .
05) = 3