Physical Science A Semester Exam
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Question
Use the table below to answer the question.
A student creates a computational model of the energy changes experienced by a pendulum.
Time (s) Angle (rad) Angular Velocity (rad/s) Kinetic Energy (J) Potential Energy (J) Total Energy (J)
0.00 0.087 0.000 0.000 0.019 0.019
0.050 0.085 -0.085 0.001 0.018
0.019
0.100
0.079 -0.166 0.003 0.015 0.019
0.150 0.069 -0.238 0.007 0.012 0.019
0.200 0.055 -0.299 0.011 0.007 0.019
0.250
0.039 -0.345 0.015 0.004 0.019
0.300 0.021 -0.375 0.018 0.001 0.019
0.350 0.002 -0.386 0.019 0.000 0.019
0.400 -0.017 -0.379 0.018 0.001 0.019
0.450 -0.036 -0.353 0.016 0.003 0.019
0.500 -0.052 -0.309 0.012 0.007 0.019
0.550 -0.066 -0.251 0.008 0.011 0.019
0.600 -0.077 -0.180 0.004 0.015 0.019
0.650 -0.084 -0.101 0.001 0.017 0.019
0.700 -0.087 -0.016 0.000 0.019 0.019
0.750 -0.086 0.069 0.001 0.018 0.019
0.800 -0.080 0.151 0.003 0.016 0.019
0.850 -0.071 0.225 0.006 0.012 0.019
0.900 -0.058 0.288 0.010 0.008 0.019
0.950 -0.042 0.338 0.014 0.004 0.019
1.000 -0.025 0.371 0.017 0.001 0.019
1.050 -0.006 0.386 0.019 0.000 0.019
1.100 0.014 0.382 0.018 0.000 0.019
Which conclusion can be made?
(1 point)
Responses
As the potential energy increases, kinetic energy decreases. Total energy increases.
As the potential energy increases, kinetic energy decreases. Total energy increases.
As the potential energy increases, kinetic energy increases. Total energy stays the same.
As the potential energy increases, kinetic energy increases. Total energy stays the same.
As the potential energy increases, kinetic energy increases. Total energy increases.
As the potential energy increases, kinetic energy increases. Total energy increases.
As the potential energy increases, kinetic energy decreases. Total energy stays the same.
1 answer
1 answer