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(1)调节导轨水平;
(2)测得两滑块的质量分别为
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(3)调节B的位置,使得A与B接触时,A的左端到左边挡板的距离
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(4)使A以一定的初速度沿气垫导轨运动,并与B碰撞,分别用传感器记录A和B从碰撞时刻开始到各自撞到挡板所用的时间
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(5)将B放回到碰撞前的位置,改变A的初速度大小,重复步骤(4)。多次测量的结果如下表所示;
1 | 2 | 3 | 4 | 5 | |
![]() | 0.49 | 0.67 | 1.01 | 1.22 | 1.39 |
![]() | 0.15 | 0.21 | 0.33 | 0.40 | 0.46 |
![]() | 0.31 | ![]() | 0.33 | 0.33 | 0.33 |
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(7)
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(8)理论研究表明,对本实验的碰撞过程,是否为弹性碰撞可由
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同类型试题
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
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