An early submersible craft for deep-sea exploration was raised and lowered by a

Question

An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship. When the craft was stationary, the tension in the cable was 7500 N. When the craft was lowered or raised at a steady rate, the motion through the water added an 1800 N drag force. What was the tension in the cable when the craft was being lowered to the seafloor? Express your answer to two significant figures and include the appropriate units. T= Value Units What was the tension in the cable when the craft was being raised from the seafloor? Express your answer to two significant figures and include the appropriate units. T= Value Units

Explanation / Answer

A) T=7500-1800 = 5700 N
B0 T= 7500+1800 = 9300 M

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