一质点沿半径为R的圆周运动,在t=0时经过P点,此后它的速率v按v=A+Bt(A,B均为正的已知常量)变化则质点沿圆周运动一周再经过P点时的切向加速度 a1=( ),法向加速度a2=( ).求答案求分析
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![一质点沿半径为R的圆周运动,在t=0时经过P点,此后它的速率v按v=A+Bt(A,B均为正的已知常量)变化则质点沿圆周运动一周再经过P点时的切向加速度 a1=( ),法向加速度a2=( ).求答案求分析](/uploads/image/z/8254750-22-0.jpg?t=%E4%B8%80%E8%B4%A8%E7%82%B9%E6%B2%BF%E5%8D%8A%E5%BE%84%E4%B8%BAR%E7%9A%84%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%2C%E5%9C%A8t%3D0%E6%97%B6%E7%BB%8F%E8%BF%87P%E7%82%B9%2C%E6%AD%A4%E5%90%8E%E5%AE%83%E7%9A%84%E9%80%9F%E7%8E%87v%E6%8C%89v%3DA%2BBt%EF%BC%88A%2CB%E5%9D%87%E4%B8%BA%E6%AD%A3%E7%9A%84%E5%B7%B2%E7%9F%A5%E5%B8%B8%E9%87%8F%EF%BC%89%E5%8F%98%E5%8C%96%E5%88%99%E8%B4%A8%E7%82%B9%E6%B2%BF%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%E4%B8%80%E5%91%A8%E5%86%8D%E7%BB%8F%E8%BF%87P%E7%82%B9%E6%97%B6%E7%9A%84%E5%88%87%E5%90%91%E5%8A%A0%E9%80%9F%E5%BA%A6+a1%3D%EF%BC%88+%EF%BC%89%2C%E6%B3%95%E5%90%91%E5%8A%A0%E9%80%9F%E5%BA%A6a2%3D%EF%BC%88+%EF%BC%89.%E6%B1%82%E7%AD%94%E6%A1%88%E6%B1%82%E5%88%86%E6%9E%90)
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