ndangom-lab04

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Central Piedmont Community College *

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110A

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Physics

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Dec 6, 2023

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docx

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4

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Name: Micah Ndango Date: November 10, 2023 Lab 04 – Period of a Pendulum Step 1 – Computation Computation of period for Earth gravity: T= 2piSQRT(L/G) T= 2piSQRT(1m/9.80) T= 2.01 s Computation of period for Moon gravity: T=2piSQRT(L/G) T=2piSQRT(1/1.62) T= 4.94 s Step 2 – Verification Table 1: Pendulum Period on Earth and Moon Predicted Period Time for 10 Cycles Actual Period Earth 2.01 s 20.54 s 2.05 Moon 4.94 s 49.92 s 4.9 Step 3 – Testing Length Table 2: Length Length (m) Total Time (s) Experimental Period (s 1.00 20.52 s 2.05 19.06 s 1.91
0.90 0.80 18.07 1.81 0.70 16.86 1.69 0.60 15.55 1.56 0.50 14.26 1.43
Step 4 – Testing Mass Table 3: Mass Mass (kg Total Time (s) Experimental Period (s 1.00 20.52 2.05 1.10 20.29 2.03 1.20 20.27 2.03 1.30 20.72 2.07 1.40 20.27 2.03 1.50 20.94 2.09 Summary questions: Q1. Did your predicted periods for Earth and Moon match the actual periods? (Good correlation is ±0.1 s for this simulation.) Answer: My predictions for the Earth and the Moon did match the actual periods. Q2. Did the length of the pendulum have a significant effect on the period? Answer: As the length of the pendulum increased, the time also increased. Thus, making the period shorter.
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Q3. Did the mass of the pendulum have a significant effect on the period? Answer: The mass of the pendulum did not seem to have any significant effect on the period of the pendulum. At times the period may seem slightly longer or shorter than the standard period at a weight of 1KG, but not enough of an effect that I would believe is significant.