Recent content by CalebtheCoward
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Calculating Image Position and Height Using Two Lenses?
I must be, because when I construct the diagram, the location of the second image is neither 30 cm in front of or behind the second lens, which doesn't lend our answer much levity.- CalebtheCoward
- Post #5
- Forum: Introductory Physics Homework Help
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Calculating Image Position and Height Using Two Lenses?
Have you tried making a ray diagram?- CalebtheCoward
- Post #3
- Forum: Introductory Physics Homework Help
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Calculating Image Position and Height Using Two Lenses?
Homework Statement A 2 cm tall object is 20 cm to the left of a lens with a focal length of 10 cm. A second lens with a focal length of 15 cm is 30 cm to the right of the first lens. Calculate the image position and height. Compare with ray-tracing. Homework Equations 1/f = 1/do + 1/di, m =...- CalebtheCoward
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- Instruments Lenses Optical two lenses
- Replies: 5
- Forum: Introductory Physics Homework Help
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Knowing Damping and Spring Constant Finding Time
And for others, First 5=10e^-(bt/2m), 5/10=e^-(bt/2m), ln(1/2)=-(bt/2m), solve for t, t=(2mln(1/2))/-b, substitute given values, [2(0.120)ln(1/2)]/-(0.0180)=t=9.24 seconds.- CalebtheCoward
- Post #6
- Forum: Introductory Physics Homework Help
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Knowing Damping and Spring Constant Finding Time
Well. I found the equation that works. final amplitude=original amplitude times e raised to the quantity of -(bt/2m) where b represents the damping constant, t the amount of time, and m the mass of said device. And after that it's pretty basic math. If this could be derived from the...- CalebtheCoward
- Post #5
- Forum: Introductory Physics Homework Help
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Knowing Damping and Spring Constant Finding Time
I think I understand what you're saying. So start with a standard equation, then take the derivative producing two other equations, and substitute the given values in front of each of the respective equations. Is this correct?- CalebtheCoward
- Post #3
- Forum: Introductory Physics Homework Help
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Knowing Damping and Spring Constant Finding Time
Homework Statement A spring with a force constant of 1.50 N/m is attached to a mass of 120 g. The system has a damping constant of 0.0180 Ns/m. How long does it take the amplitude of the oscillations to decrease from 10.0 mm to 5.00 mm? Homework Equations (double dot)x +(c/m)(one...- CalebtheCoward
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- Constant Damping Spring Spring constant Time
- Replies: 6
- Forum: Introductory Physics Homework Help
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Finding Apparent Weight with Uniform Circular Motion
Homework Statement A ferris wheel with a radius of 14.0 m rotates at a constant rate, completing three revolutions in 50.0 s. What is the apparent weight of a 60.0 kg passenger when she is at the top of the wheel? Given choices: 532 N, 452 N, 562 N, 625 N, 469 N Homework Equations...- CalebtheCoward
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- Apparent weight Circular Circular motion Motion Uniform Uniform circular motion Weight
- Replies: 2
- Forum: Introductory Physics Homework Help