Math Problem Statement
A harmonic oscillator of spring constant k=6.24N/m and mass m=3.91 kg is pulled from equilibrium ( x=0) to 0.0267m, and released from rest at t=0. Give all answers to three significant figures. What is the position at 11.2s
Solution
The position of a harmonic oscillator at any time can be calculated using the equation:
where:
- is the amplitude of the motion (the initial displacement from equilibrium),
- is the angular frequency, defined as ,
- is the time at which we want to find the position.
Given:
- ,
- ,
- ,
- .
Step 1: Calculate Angular Frequency
Step 2: Calculate Position at
Using :
Calculating :
Now, we find :
Thus:
Answer
The position of the harmonic oscillator at is approximately:
Would you like a more detailed explanation or have any questions?
- What is the physical meaning of angular frequency in simple harmonic motion?
- How would the position change if the mass of the oscillator were doubled?
- What are the kinetic and potential energies at a given position?
- How would changing the spring constant affect the oscillation frequency?
- What is the maximum velocity of the oscillator, given the same initial conditions?
Tip: In simple harmonic motion, the phase of the cosine or sine function often determines the motion’s position relative to equilibrium at any time.
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Math Problem Analysis
Mathematical Concepts
Simple Harmonic Motion
Trigonometry
Physics of Oscillators
Formulas
Position formula in SHM: x(t) = A * cos(ω * t)
Angular frequency: ω = sqrt(k/m)
Theorems
Simple Harmonic Motion theory
Suitable Grade Level
Undergraduate - Physics 101
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