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关注：1
2013-05-23 12:21
求翻译：当t=0s时，身高为L的人站在灯的正下方，灯离地面高h，在人以水平速度v匀速运动的过程中，人的头顶的影子做什么运动？速度为多少？是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
当t=0s时，身高为L的人站在灯的正下方，灯离地面高h，在人以水平速度v匀速运动的过程中，人的头顶的影子做什么运动？速度为多少？
问题补充： |
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2013-05-23 12:21:38
When t = 0s, the height L of the people standing below the lights, light high above the ground h, horizontal velocity v in the human process of uniform motion, the head of the shadow people do sport? How much speed?
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2013-05-23 12:23:18
when t = 0 s, and with a height when the man was standing in a lamp for L slant height H, the lights from the ground level, and the people in uniform velocity V speed of movement, in the process of doing what the shadow overhead movement? For speed?
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2013-05-23 12:24:58
When t=0s, the height is the L person stands in the lamp underneath, does the lamp to ground high h, in the human by in the level speed v uniform motion process, what movement human's top of the head shadow make? How many is the speed?
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2013-05-23 12:26:38
When you t=0s, stands for l standing directly below the lamp, high h lamp above the ground, with men to horizontal velocity v during uniform motion, who heads the shadows of what kind of exercises do? Speed is how much?
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2013-05-23 12:28:18
When you t=0s, stands for l standing directly below the lamp, high h lamp above the ground, with men to horizontal velocity v during uniform motion, who heads the shadows of what kind of exercises do? Speed is how much?
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