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【AP物理C】HW55#3 – Two 1.20 kg balls are attached to the ends of a thin rod of length 40.0 cm and negligible mass…

【AP物理C】HW55#2 – a 30 kg child stands on the edge of a stationary merry-go-round of radius 2.1 m. The rotational inertia of …

【AP物理C】HW55#3 – Two 1.20 kg balls are attached to the ends of a thin rod of length 40.0 cm and negligible mass…

【AP物理C】HW55#2 – a 30 kg child stands on the edge of a stationary merry-go-round of radius 2.1 m. The rotational inertia of …