Question and Answers Forum

All Questions Topic List

Oscillation and WavesQuestion and Answers: Page 1

Question Number 199380 Answers: 0 Comments: 0

Question Number 187804 Answers: 0 Comments: 0

Question Number 175059 Answers: 1 Comments: 2

Question Number 165072 Answers: 0 Comments: 14

prove speed of sound in air v=331+0.6Tc^° ((m/(sec)))

$${prove}\:{speed}\:{of}\:{sound}\:{in}\:{air} \\ $$$${v}=\mathrm{331}+\mathrm{0}.\mathrm{6}{Tc}^{°} \left(\frac{{m}}{{sec}}\right) \\ $$

Question Number 164009 Answers: 2 Comments: 0

Question Number 163733 Answers: 0 Comments: 0

prove v=(√((F∙L)/m)) ?

$${prove}\:{v}=\sqrt{\frac{{F}\centerdot{L}}{{m}}}\:\:\:? \\ $$

Question Number 154966 Answers: 0 Comments: 1

we know y=asin(ωt−kx) is equation of wave which velocity will be (ω/k) But what will be the velocity of a wave that is created from superposition of two sine wave of different velocity like bellow y=5sin(6t−x)cos(13t−6x) ?

$$\:\mathrm{we}\:\mathrm{know}\:\:\mathrm{y}=\mathrm{asin}\left(\omega\mathrm{t}−\mathrm{kx}\right)\:\mathrm{is}\: \\ $$$$\mathrm{equation}\:\mathrm{of}\:\mathrm{wave} \\ $$$$\:\mathrm{which}\:\mathrm{velocity}\:\mathrm{will}\:\mathrm{be}\:\frac{\omega}{\mathrm{k}} \\ $$$$\:\:\mathrm{But}\:\mathrm{what}\:\:\mathrm{will}\:\mathrm{be}\:\mathrm{the}\:\mathrm{velocity}\:\mathrm{of}\: \\ $$$$\:\:\mathrm{a}\:\mathrm{wave}\:\mathrm{that}\:\mathrm{is}\:\mathrm{created}\:\mathrm{from} \\ $$$$\:\mathrm{superposition}\:\mathrm{of}\:\mathrm{two}\:\mathrm{sine}\:\mathrm{wave}\:\mathrm{of}\: \\ $$$$\mathrm{different}\:\mathrm{velocity}\:\mathrm{like}\:\mathrm{bellow} \\ $$$$\:\:\:\mathrm{y}=\mathrm{5sin}\left(\mathrm{6t}−\mathrm{x}\right)\mathrm{cos}\left(\mathrm{13t}−\mathrm{6x}\right)\:?\: \\ $$

Question Number 152346 Answers: 0 Comments: 0

we know the equation of a simple harmonic wave going to left to right is, y=asin((2π)/λ)(vt−x) if we put t=0 and x=0 , we get y=0 and if we put t=0 and x=0.25λ , we get y= a !! But How could this be possible? How could right side particles start oscillating before the left ones?Don′t we need a certain time gap for right side particles to start oscillating??

$$\mathrm{we}\:\mathrm{know}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{of}\:\mathrm{a}\:\mathrm{simple}\:\mathrm{harmonic}\:\mathrm{wave} \\ $$$$\mathrm{going}\:\mathrm{to}\:\mathrm{left}\:\mathrm{to}\:\mathrm{right}\:\mathrm{is}, \\ $$$$\:\mathrm{y}=\mathrm{asin}\frac{\mathrm{2}\pi}{\lambda}\left(\mathrm{vt}−\mathrm{x}\right)\: \\ $$$$\:\mathrm{if}\:\mathrm{we}\:\mathrm{put}\:\mathrm{t}=\mathrm{0}\:\mathrm{and}\:\mathrm{x}=\mathrm{0}\:, \\ $$$$\mathrm{we}\:\mathrm{get}\:\mathrm{y}=\mathrm{0} \\ $$$$\mathrm{and}\:\mathrm{if}\:\mathrm{we}\:\mathrm{put}\:\mathrm{t}=\mathrm{0}\:\mathrm{and}\:\mathrm{x}=\mathrm{0}.\mathrm{25}\lambda\:, \\ $$$$\mathrm{we}\:\mathrm{get}\:\mathrm{y}=\:\mathrm{a}\:\:\:!! \\ $$$$\mathrm{But}\:\mathrm{How}\:\:\mathrm{could}\:\mathrm{this}\:\mathrm{be}\:\mathrm{possible}? \\ $$$$\mathrm{How}\:\mathrm{could}\:\mathrm{right}\:\mathrm{side}\:\mathrm{particles}\:\mathrm{start}\:\mathrm{oscillating} \\ $$$$\mathrm{before}\:\mathrm{the}\:\mathrm{left}\:\mathrm{ones}?\mathrm{Don}'\mathrm{t}\:\mathrm{we}\:\mathrm{need}\:\mathrm{a}\: \\ $$$$\mathrm{certain}\:\mathrm{time}\:\mathrm{gap}\:\:\mathrm{for}\:\mathrm{right}\:\:\mathrm{side}\:\mathrm{particles} \\ $$$$\:\mathrm{to}\:\mathrm{start}\:\mathrm{oscillating}?? \\ $$

Question Number 147396 Answers: 0 Comments: 0

Question Number 141492 Answers: 0 Comments: 1

Question Number 140870 Answers: 1 Comments: 0

Ocean waves are observed to travel along the water surface during a developing storm. A Coast Guard weather station observes that there is a vertical distance from high point to low point of 4.6 meters and horizontal distance of 8.6 meters between adjacent crests.The waves splash into the station once every 6.2 seconds Determine the frequency and the speeed of these waves.

$${O}\mathrm{cean}\:\mathrm{waves}\:\mathrm{are}\:\mathrm{observed}\:\mathrm{to} \\ $$$$\mathrm{travel}\:\mathrm{along}\:\mathrm{the}\:\mathrm{water}\:\mathrm{surface} \\ $$$$\:\mathrm{during}\:\mathrm{a}\:\mathrm{developing}\:\mathrm{storm}. \\ $$$$\mathrm{A}\:\mathrm{Coast}\:\mathrm{Guard}\:\mathrm{weather}\:\mathrm{station} \\ $$$$\:\mathrm{observes}\:\mathrm{that}\:\mathrm{there}\:\mathrm{is}\:\mathrm{a}\:\mathrm{vertical}\: \\ $$$$\mathrm{distance}\:\mathrm{from}\:\mathrm{high}\:\mathrm{point}\:\mathrm{to}\:\mathrm{low} \\ $$$$\:\mathrm{point}\:\mathrm{of}\:\mathrm{4}.\mathrm{6}\:\mathrm{meters}\:\mathrm{and}\:\mathrm{horizontal} \\ $$$$\mathrm{distance}\:\mathrm{of}\:\mathrm{8}.\mathrm{6}\:\mathrm{meters}\:\mathrm{between}\: \\ $$$$\mathrm{adjacent}\:\mathrm{crests}.\mathrm{The}\:\mathrm{waves}\:\mathrm{splash}\: \\ $$$$\mathrm{into}\:\mathrm{the}\:\mathrm{station}\:\mathrm{once}\:\mathrm{every}\:\mathrm{6}.\mathrm{2}\:\mathrm{seconds} \\ $$$$\mathrm{Determine}\:\mathrm{the}\:\mathrm{frequency}\:\mathrm{and} \\ $$$$\:\mathrm{the}\:\mathrm{speeed}\:\mathrm{of}\:\mathrm{these}\:\mathrm{waves}. \\ $$

Question Number 139669 Answers: 0 Comments: 0

$$ \\ $$

Question Number 132265 Answers: 1 Comments: 0

Question Number 132264 Answers: 1 Comments: 0

Question Number 111635 Answers: 0 Comments: 0

$$ \\ $$

Question Number 109470 Answers: 0 Comments: 1

Question Number 82768 Answers: 0 Comments: 1

Question Number 73111 Answers: 1 Comments: 0

Question Number 61142 Answers: 0 Comments: 0

Question Number 59956 Answers: 0 Comments: 0

Question Number 59704 Answers: 1 Comments: 0

A space ship moving towards you at 0.5c shine a light at you.At what speed do you see the light approaching?

$${A}\:{space}\:{ship}\:{moving}\:{towards}\:{you}\:{at} \\ $$$$\mathrm{0}.\mathrm{5}{c}\:{shine}\:{a}\:{light}\:{at}\:{you}.{At}\:{what}\:{speed} \\ $$$${do}\:{you}\:{see}\:{the}\:{light}\:{approaching}? \\ $$

Question Number 58001 Answers: 1 Comments: 1

Question Number 57784 Answers: 0 Comments: 0

Question Number 54901 Answers: 1 Comments: 1

Question Number 54163 Answers: 0 Comments: 1

Question Number 52341 Answers: 0 Comments: 0

A sound wave of velocity 350m/s is directed towards the surface of the water. If the ratio of the wavelength of sound in air to that in water 150 ratio 475.Calculate the velocity of the wave in water.

$${A}\:{sound}\:{wave}\:{of}\:{velocity}\:\mathrm{350}{m}/{s} \\ $$$${is}\:{directed}\:{towards}\:{the}\:{surface}\:{of} \\ $$$${the}\:{water}.\:{If}\:{the}\:{ratio}\:{of}\:{the} \\ $$$${wavelength}\:{of}\:{sound}\:{in}\:{air}\:{to}\:{that} \\ $$$${in}\:{water}\:\mathrm{150}\:{ratio}\:\mathrm{475}.{Calculate} \\ $$$${the}\:{velocity}\:{of}\:{the}\:{wave}\:{in}\:{water}. \\ $$

Pg 1 Pg 2

Contact: info@tinkutara.com