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> 质量为m=1kg的小球由高h 1=0.45m处自由下落，落到水平地面后，反跳的最大高度为h 2=0.2m，从小球下落到反跳到最高点经历的时间为Δt=0.6s，取g=10m/s 2。求：小球撞击地面过程中，球对地面的平均压力的大小F。

问题：

发布时间：2024-09-11

质量为m=1kg的小球由高h ₁=0.45m处自由下落，落到水平地面后，反跳的最大高度为h ₂=0.2m，从小球下落到反跳到最高点经历的时间为Δt=0.6s，取g=10m/s ²。求：小球撞击地面过程中，球对地面的平均压力的大小F。

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质量为m=1kg的小球由高h 1=0.45m处自由下落，落到 水平地面后，反跳的最大高度为h 2=0.2m，从小球下落到反跳到最高点经历的时间为Δt=0.6s，取g=10m/s 2。求：小球撞击地面过程中，球对地面的平均压力的大小F。

可能感兴趣的题目：

质量为m=1kg的小球由高h ₁=0.45m处自由下落，落到水平地面后，反跳的最大高度为h ₂=0.2m，从小球下落到反跳到最高点经历的时间为Δt=0.6s，取g=10m/s ²。求：小球撞击地面过程中，球对地面的平均压力的大小F。