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Category: Oscillation and Waves

A-body-undergoing-SHM-about-the-origin-has-its-equation-x-0-2cos-5pit-Find-its-average-speed-from-t-0-to-t-0-7-sec-

Question Number 32585 by rahul 19 last updated on 28/Mar/18 $$\boldsymbol{{A}}\:{body}\:{undergoing}\:{SHM}\:{about}\:{the} \\ $$$${origin}\:{has}\:{its}\:{equation}\:{x}=\mathrm{0}.\mathrm{2cos}\:\mathrm{5}\pi{t}. \\ $$$${Find}\:{its}\:{average}\:{speed}\:{from}\:{t}=\mathrm{0}\:{to} \\ $$$${t}=\mathrm{0}.\mathrm{7}\:{sec}. \\ $$ Commented by rahul 19 last updated…

A-wave-of-frequency-10hz-forms-a-stationery-wave-pattern-in-a-medium-where-the-velocity-is-20cms-1-what-is-the-distance-between-the-adjacent-nodes-pls-help-

Question Number 30861 by Victor31926 last updated on 27/Feb/18 $$\mathrm{A}\:\mathrm{wave}\:\mathrm{of}\:\mathrm{frequency}\:\mathrm{10hz}\:\mathrm{forms} \\ $$$$\mathrm{a}\:\mathrm{stationery}\:\mathrm{wave}\:\mathrm{pattern}\:\mathrm{in}\:\mathrm{a}\:\mathrm{medium} \\ $$$$\mathrm{where}\:\mathrm{the}\:\mathrm{velocity}\:\mathrm{is}\:\mathrm{20cms}^{−\mathrm{1}} \\ $$$$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{distance}\:\mathrm{between}\:\mathrm{the}\:\mathrm{adjacent}\:\mathrm{nodes}? \\ $$$$ \\ $$$$\mathrm{pls}\:\mathrm{help}.. \\ $$ Answered by 803jaideep@gmail.com…

we-know-y-asin-t-kx-is-equation-of-wave-which-velocity-will-be-k-But-what-will-be-the-velocity-of-a-wave-that-is-created-from-superposition-of-two-sine-wave-of-different-velocity-lik

Question Number 154966 by n0y0n last updated on 23/Sep/21 $$\:\mathrm{we}\:\mathrm{know}\:\:\mathrm{y}=\mathrm{asin}\left(\omega\mathrm{t}−\mathrm{kx}\right)\:\mathrm{is}\: \\ $$$$\mathrm{equation}\:\mathrm{of}\:\mathrm{wave} \\ $$$$\:\mathrm{which}\:\mathrm{velocity}\:\mathrm{will}\:\mathrm{be}\:\frac{\omega}{\mathrm{k}} \\ $$$$\:\:\mathrm{But}\:\mathrm{what}\:\:\mathrm{will}\:\mathrm{be}\:\mathrm{the}\:\mathrm{velocity}\:\mathrm{of}\: \\ $$$$\:\:\mathrm{a}\:\mathrm{wave}\:\mathrm{that}\:\mathrm{is}\:\mathrm{created}\:\mathrm{from} \\ $$$$\:\mathrm{superposition}\:\mathrm{of}\:\mathrm{two}\:\mathrm{sine}\:\mathrm{wave}\:\mathrm{of}\: \\ $$$$\mathrm{different}\:\mathrm{velocity}\:\mathrm{like}\:\mathrm{bellow} \\ $$$$\:\:\:\mathrm{y}=\mathrm{5sin}\left(\mathrm{6t}−\mathrm{x}\right)\mathrm{cos}\left(\mathrm{13t}−\mathrm{6x}\right)\:?\: \\…

we-know-the-equation-of-a-simple-harmonic-wave-going-to-left-to-right-is-y-asin-2pi-vt-x-if-we-put-t-0-and-x-0-we-get-y-0-and-if-we-put-t-0-and-x-0-25-we-get-y-a-But-How-could-thi

Question Number 152346 by n0y0n last updated on 27/Aug/21 $$\mathrm{we}\:\mathrm{know}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{of}\:\mathrm{a}\:\mathrm{simple}\:\mathrm{harmonic}\:\mathrm{wave} \\ $$$$\mathrm{going}\:\mathrm{to}\:\mathrm{left}\:\mathrm{to}\:\mathrm{right}\:\mathrm{is}, \\ $$$$\:\mathrm{y}=\mathrm{asin}\frac{\mathrm{2}\pi}{\lambda}\left(\mathrm{vt}−\mathrm{x}\right)\: \\ $$$$\:\mathrm{if}\:\mathrm{we}\:\mathrm{put}\:\mathrm{t}=\mathrm{0}\:\mathrm{and}\:\mathrm{x}=\mathrm{0}\:, \\ $$$$\mathrm{we}\:\mathrm{get}\:\mathrm{y}=\mathrm{0} \\ $$$$\mathrm{and}\:\mathrm{if}\:\mathrm{we}\:\mathrm{put}\:\mathrm{t}=\mathrm{0}\:\mathrm{and}\:\mathrm{x}=\mathrm{0}.\mathrm{25}\lambda\:, \\ $$$$\mathrm{we}\:\mathrm{get}\:\mathrm{y}=\:\mathrm{a}\:\:\:!! \\ $$$$\mathrm{But}\:\mathrm{How}\:\:\mathrm{could}\:\mathrm{this}\:\mathrm{be}\:\mathrm{possible}? \\…

Question-82768

Question Number 82768 by Lontum Hans last updated on 24/Feb/20 Commented by mr W last updated on 24/Feb/20 $${if}\:{there}\:{is}\:{no}\:{gravity}\:{force},\:{the}\:{pendulum} \\ $$$${will}\:{not}\:{move}\:{at}\:{all},\:{i}.{e}.\:{its}\:{period}\:{is} \\ $$$$\infty.\:{so}\:{we}\:{know}:\:{the}\:{weaker}\:{the}\:{gravity}, \\ $$$${the}\:{slower}\:{the}\:{pendulum}\:{or}\:{the}…