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Category: Oscillation and Waves

A-space-ship-moving-towards-you-at-0-5c-shine-a-light-at-you-At-what-speed-do-you-see-the-light-approaching-

Question Number 59704 by necx1 last updated on 13/May/19 $${A}\:{space}\:{ship}\:{moving}\:{towards}\:{you}\:{at} \\ $$$$\mathrm{0}.\mathrm{5}{c}\:{shine}\:{a}\:{light}\:{at}\:{you}.{At}\:{what}\:{speed} \\ $$$${do}\:{you}\:{see}\:{the}\:{light}\:{approaching}? \\ $$ Answered by MJS last updated on 13/May/19 $$\mathrm{1}.\mathrm{0}{c} \\…

Question-58001

Question Number 58001 by rahul 19 last updated on 16/Apr/19 Commented by rahul 19 last updated on 16/Apr/19 $${I}\:{hope}\:{Q}.\:{is}\:{clear}. \\ $$$${Ans}\rightarrow\:{t}=\frac{\mathrm{1}}{\mathrm{24}}{s}\:,\frac{\mathrm{5}}{\mathrm{24}}{s},\frac{\mathrm{7}}{\mathrm{24}}{s},\frac{\mathrm{11}}{\mathrm{24}}{s},….. \\ $$ Answered by…

Question-54163

Question Number 54163 by ajfour last updated on 30/Jan/19 Commented by ajfour last updated on 30/Jan/19 $${If}\:{the}\:{pulley}\:\left({disc}\right)\:{rolls}\:{a}\:{bit}\:{to}\:{and} \\ $$$${fro}\:{about}\:{the}\:{equilibrium}\:{poition}, \\ $$$${find}\:{the}\:{time}\:{period}\:{of}\:{such}\:{small} \\ $$$${oscillations}. \\ $$…