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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
$$\mathrm{1}.\mathrm{0}{c} \\ $$
Commented by necx1 last updated on 13/May/19
$${plese}\:{explain}\:{sir} \\ $$
Commented by MJS last updated on 13/May/19
$$\mathrm{the}\:\mathrm{speed}\:\mathrm{of}\:\mathrm{light}\:\mathrm{is}\:\mathrm{constant},\:\mathrm{that}'\mathrm{s}\:\mathrm{what} \\ $$$$\mathrm{Einstein}\:\mathrm{showed}. \\ $$
Commented by MJS last updated on 13/May/19
$$\mathrm{the}\:\mathrm{additional}\:\mathrm{energy}\:\mathrm{will}\:\mathrm{raise}\:\mathrm{the}\:\mathrm{frequency} \\ $$$$\Rightarrow\:\mathrm{the}\:\mathrm{light}\:\mathrm{will}\:\mathrm{change}\:\mathrm{its}\:\mathrm{colour}\:\mathrm{towards} \\ $$$$\mathrm{the}\:\mathrm{blue}\:\mathrm{end}\:\mathrm{of}\:\mathrm{the}\:\mathrm{spectrum} \\ $$