[問卦] 重力加速度 國中課本為什麼是9.8定值消失
國中課本為了簡化學習
直接說任何物體的重力加速度是9.8
大家不覺得奇怪嗎??
物體質量不同 質量不同所受的重力也不同
更別說墜落時的速度了 每一秒瞬間的速度都一直在變化
重力加上速度 這兩個值怎麼可能是定值???
是我多慮了嗎?
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06/09 17:56, , 1F
06/09 17:56, 1F
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06/09 17:56, , 2F
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06/09 17:56, , 3F
06/09 17:56, 3F
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06/09 17:56, , 4F
06/09 17:56, 4F
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06/09 17:56, , 5F
06/09 17:56, 5F
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06/09 17:56, , 6F
06/09 17:56, 6F
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06/09 17:56, , 7F
06/09 17:56, 7F
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06/09 17:57, , 8F
06/09 17:57, 8F
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06/09 17:57, , 9F
06/09 17:57, 9F
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06/09 17:57, , 10F
06/09 17:57, 10F
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06/09 17:57, , 11F
06/09 17:57, 11F
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06/09 17:57, , 12F
06/09 17:57, 12F
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06/09 17:57, , 13F
06/09 17:57, 13F
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06/09 17:57, , 14F
06/09 17:57, 14F
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06/09 17:57, , 15F
06/09 17:57, 15F
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06/09 17:57, , 16F
06/09 17:57, 16F
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06/09 17:57, , 17F
06/09 17:57, 17F
推
06/09 17:57, , 18F
06/09 17:57, 18F
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06/09 17:57, , 19F
06/09 17:57, 19F
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06/09 17:57, , 20F
06/09 17:57, 20F
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06/09 17:57, , 21F
06/09 17:57, 21F
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06/09 17:57, , 22F
06/09 17:57, 22F
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06/09 17:58, , 23F
06/09 17:58, 23F
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06/09 17:58, , 24F
06/09 17:58, 24F
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06/09 17:58, , 25F
06/09 17:58, 25F
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06/09 17:58, , 26F
06/09 17:58, 26F
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06/09 17:58, , 27F
06/09 17:58, 27F
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06/09 17:58, , 28F
06/09 17:58, 28F
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06/09 17:58, , 29F
06/09 17:58, 29F
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06/09 17:59, , 30F
06/09 17:59, 30F
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06/09 17:59, , 31F
06/09 17:59, 31F
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06/09 17:59, , 32F
06/09 17:59, 32F
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06/09 18:00, , 33F
06/09 18:00, 33F
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06/09 18:00, , 34F
06/09 18:00, 34F
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06/09 18:02, , 35F
06/09 18:02, 35F
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06/09 18:02, , 36F
06/09 18:02, 36F
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06/09 18:03, , 37F
06/09 18:03, 37F
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06/09 18:03, , 38F
06/09 18:03, 38F
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06/09 18:03, , 39F
06/09 18:03, 39F
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06/09 18:03, , 40F
06/09 18:03, 40F
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06/09 18:04, , 41F
06/09 18:04, 41F
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06/09 18:05, , 42F
06/09 18:05, 42F
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06/09 18:05, , 43F
06/09 18:05, 43F
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06/09 18:09, , 44F
06/09 18:09, 44F
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06/09 18:10, , 45F
06/09 18:10, 45F
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06/09 18:11, , 46F
06/09 18:11, 46F
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06/09 18:11, , 47F
06/09 18:11, 47F
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06/09 18:11, , 48F
06/09 18:11, 48F
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06/09 18:11, , 49F
06/09 18:11, 49F
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06/09 18:15, , 50F
06/09 18:15, 50F
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06/09 18:16, , 51F
06/09 18:16, 51F
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06/09 18:26, , 52F
06/09 18:26, 52F
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06/09 18:47, , 53F
06/09 18:47, 53F
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06/09 18:54, , 54F
06/09 18:54, 54F
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06/09 18:59, , 55F
06/09 18:59, 55F
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06/09 19:14, , 56F
06/09 19:14, 56F
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06/09 19:18, , 57F
06/09 19:18, 57F
推
06/09 19:29, , 58F
06/09 19:29, 58F
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06/09 20:00, , 59F
06/09 20:00, 59F
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06/09 20:41, , 60F
06/09 20:41, 60F
噓
06/09 21:49, , 61F
06/09 21:49, 61F
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06/09 22:10, , 62F
06/09 22:10, 62F
噓
06/09 22:43, , 63F
06/09 22:43, 63F
推
06/09 23:16, , 64F
06/09 23:16, 64F
噓
06/10 20:37, , 65F
06/10 20:37, 65F
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