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建立人际资源圈Conservation_Of_Energy
2013-11-13 来源: 类别: 更多范文
Conservation Of Energy
Objective:
The purpose of this experiment is to find and study the conversation of mechanical energy. With the data found from the experiment our graph should be able to show the total mechanical energy in a straight line.
Data and Analysis:
The table below shows the values of time (1/60s) for each value of height (y)
Table 1: Energy data as a function of time
Time t (1/60s) Height y (cm) Time t (1/60s) Height y (cm) Time t (1/60s) Height y (cm)
0 174.21 13 142.45 26 64.78
1 173.37 14 138.10 27 57.03
2 172.29 15 133.47 28 48.90
3 170.98 16 128.53 29 40.50
4 169.35 17 123.44 30 31.82
5 167.43 18 118.01
6 165.23 19 112.30
7 162.82 20 106.32
8 160.11 21 100.05
9 157.09 22 93.59
10 153.89 23 86.73
11 150.30 24 79.75
12 146.45 25 72.39
Mass of object: 91.5g
To demonstrate this theory we will show a sample calculation from the table showing velocity at t we will use 1/60 which is highlighted on table 1.
or (simplified version)
= -57.6
Time Height Velocity PE KE E
1/60 173.37 -57.6 1.55E+07 1.52E+05 1.57E+07
You will find that this number corresponds with the velocity on table 2.
With the information given we now have enough information to figure out the kinetic (KE), potential (PE), and mechanical energy (E).
a) To calculate kinetic energy this equation
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