Intro to Simple Harmonic Motion (Horizontal Springs) Video Lessons

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Problem: For a simple harmonic oscillator, answer yes or no to the following questions.(a) Can the quantities position and velocity have the same sign? Yes No (b) Can velocity and acceleration have the same sign? Yes No (c) Can position and acceleration have the same sign? Yes No

FREE Expert Solution

The position of a simple harmonic oscillator is described as:

x(t)=Acos(ωt+ϕ)

Velocity:

v(t)=ddt[Acos(ωt+ϕ)]=-Aωsin(ωt+ϕ)

Acceleration:

a(t)=ddt[-Aωsin(ωt+ϕ)]=-Aω2cos(ωt+ϕ)=-ω2x(t)

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Problem Details

For a simple harmonic oscillator, answer yes or no to the following questions.

(a) Can the quantities position and velocity have the same sign? 

Yes 

No 


(b) Can velocity and acceleration have the same sign? 

Yes 

No 


(c) Can position and acceleration have the same sign? 

Yes 

No

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