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A thin plastic panel is being lowered to a lake floor at a speed of 1.5 m/s by a cable attached to the top. The panel is 3.5

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To 171 - 0.873.5 73x10 3 x 103 x 9.81 Lake В 3 mm Buoyant force sevg liquid density t 0.8 3.5m. du- Ang Cforce Balance equati

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