問題 速度加速度
請教二個問題
1.假設小明在地球開一架光速太空船並用手電筒往前照
那在火星上的小英在看到太空船即將來時
會不會被手電筒裡面的光先照到...
2.如果說光速不變為30萬公里 那被手電筒的光先被照到那段速度是多少
謝謝回答
請用淺顯易懂的方式解釋..感謝
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