N道物理题..30分1.打气筒长55cm,车胎内气压为2.5大气压,当活塞推下多长距离时打气筒内的气体开始进入胎内?(外界大气压强为1大气压,打气过程温度不变)2.筒内气体压强是9.31*10^6Pa,当钢筒搬
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![N道物理题..30分1.打气筒长55cm,车胎内气压为2.5大气压,当活塞推下多长距离时打气筒内的气体开始进入胎内?(外界大气压强为1大气压,打气过程温度不变)2.筒内气体压强是9.31*10^6Pa,当钢筒搬](/uploads/image/z/7346930-50-0.jpg?t=N%E9%81%93%E7%89%A9%E7%90%86%E9%A2%98..30%E5%88%861.%E6%89%93%E6%B0%94%E7%AD%92%E9%95%BF55cm%2C%E8%BD%A6%E8%83%8E%E5%86%85%E6%B0%94%E5%8E%8B%E4%B8%BA2.5%E5%A4%A7%E6%B0%94%E5%8E%8B%2C%E5%BD%93%E6%B4%BB%E5%A1%9E%E6%8E%A8%E4%B8%8B%E5%A4%9A%E9%95%BF%E8%B7%9D%E7%A6%BB%E6%97%B6%E6%89%93%E6%B0%94%E7%AD%92%E5%86%85%E7%9A%84%E6%B0%94%E4%BD%93%E5%BC%80%E5%A7%8B%E8%BF%9B%E5%85%A5%E8%83%8E%E5%86%85%3F%EF%BC%88%E5%A4%96%E7%95%8C%E5%A4%A7%E6%B0%94%E5%8E%8B%E5%BC%BA%E4%B8%BA1%E5%A4%A7%E6%B0%94%E5%8E%8B%2C%E6%89%93%E6%B0%94%E8%BF%87%E7%A8%8B%E6%B8%A9%E5%BA%A6%E4%B8%8D%E5%8F%98%EF%BC%892.%E7%AD%92%E5%86%85%E6%B0%94%E4%BD%93%E5%8E%8B%E5%BC%BA%E6%98%AF9.31%2A10%5E6Pa%2C%E5%BD%93%E9%92%A2%E7%AD%92%E6%90%AC)
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