A concrete block with a density of 4200 will sink in water, but a rope suspends...
A concrete block with a density of 4200 will sink in water, but a rope suspends it underwater underwater (that is, its completely underwater, not touching the bottom of the lake, and isn't moving. It measures 25 cm x 19 cm x 8 cm, and has a density of 4200 kg/m3. The density of water is 1000 kg/m3
Find the tension in the rope.
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