)图为某举重运动员在0.5s内由支撑到起立将杠铃举起过程中拍摄的两张照片,杠铃的质量为100kg,则杠铃重为_______N.已知照片中杠铃的实际直径是40cm,根据照片可算出该运动员在上述过程中对杠
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![)图为某举重运动员在0.5s内由支撑到起立将杠铃举起过程中拍摄的两张照片,杠铃的质量为100kg,则杠铃重为_______N.已知照片中杠铃的实际直径是40cm,根据照片可算出该运动员在上述过程中对杠](/uploads/image/z/4367630-38-0.jpg?t=%29%E5%9B%BE%E4%B8%BA%E6%9F%90%E4%B8%BE%E9%87%8D%E8%BF%90%E5%8A%A8%E5%91%98%E5%9C%A80.5s%E5%86%85%E7%94%B1%E6%94%AF%E6%92%91%E5%88%B0%E8%B5%B7%E7%AB%8B%E5%B0%86%E6%9D%A0%E9%93%83%E4%B8%BE%E8%B5%B7%E8%BF%87%E7%A8%8B%E4%B8%AD%E6%8B%8D%E6%91%84%E7%9A%84%E4%B8%A4%E5%BC%A0%E7%85%A7%E7%89%87%2C%E6%9D%A0%E9%93%83%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%BA100kg%2C%E5%88%99%E6%9D%A0%E9%93%83%E9%87%8D%E4%B8%BA_______N.%E5%B7%B2%E7%9F%A5%E7%85%A7%E7%89%87%E4%B8%AD%E6%9D%A0%E9%93%83%E7%9A%84%E5%AE%9E%E9%99%85%E7%9B%B4%E5%BE%84%E6%98%AF40cm%2C%E6%A0%B9%E6%8D%AE%E7%85%A7%E7%89%87%E5%8F%AF%E7%AE%97%E5%87%BA%E8%AF%A5%E8%BF%90%E5%8A%A8%E5%91%98%E5%9C%A8%E4%B8%8A%E8%BF%B0%E8%BF%87%E7%A8%8B%E4%B8%AD%E5%AF%B9%E6%9D%A0)
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