2.
72/72 points 
Previous Answers
Use the exact values you enter to make later calculations.
Part 1  Data
What is the length of the flag on the cart?
c
=
0.025 m
0.025 m
Your value is acceptable.
What is the mass of the hanger?
0.0498 kg
Your value is acceptable.
Part 2  Calculations
m
1
g
versus acceleration. (When making the graph, be sure to use
the numbers you entered in the above table with no additional rounding or decimal places.)
Complete the data table below.
Data Table 1
Trial
#
m
1
(kg)
m
1
g
(N)
v
1
(m/s)
v
2
(m/s)
Δ
t
(s)
a (m/s
2
)
1
.04984
0.0498
.489
0.489
.20
0.2
.43
0.43
.531
0.531
.433
0.433
2
.09984
0.0998
.979
0.979
.29
0.29
.63
0.63
.347
0.347
.979
0.979
3
.14984
0.15
1.47
1.47
.40
0.4
.86
0.86
.28
0.28
1.64
1.64
4
.19984
0.2
1.96
1.96
.60
0.6
1.18
1.18
.223
0.223
2.6
2.6
Checkpoint 1:
Ask your TA to check your table values before
proceeding. Your TA will insert a code word associated
with your progress.
CHECKPOINT:
Newton
Key:
Answers may vary.
Score:
5 out of 5
Comment:
Graded: 5 points by Shi, Haosheng on Thursday, February 21, 2019 04:15 PM EST.
Use Excel to create a graph of
m
1
g
versus acceleration. (When making the graph, be sure to use
the numbers you entered in the above table with no additional rounding or decimal places.)
3/27/2019
Lab 3  Newton's Second Law: InLab
Use the trendline option to draw the best fit line to your data and determine the slope and
y
intercept.
What are the slope and
y
intercept of the plot of
m
1
g
versus acceleration?

4/7
What is the total mass as calculated from the slope?
What is the physical significance of the
y
intercept?
What is the total mass
M
of your system as determined from the mass of the cart, weight hanger
and added masses?