Buoyancy: A crane lifts a steel submarine of density 7800 kg/m3 and mass 20,000 kg. What is the tension in the lifting cable (a) when the submarine is submerged in water of density 1000 kg/m3, and (b) when it is entirely out of the water?
A. (a) 2.0 × 105 N (b) 1.7 × 105 N
B. (a) 1.7 × 105 N (b) 2.0 × 105 N
C. (a) 2.6 × 103 N (b) 2.0 × 105 N
D. (a) 2.0 × 105 N (b) 2.6 × 103 N
Answer: B
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a. 100 b. 280 c. 200 d. 70
Substitute the correct prefix to the fun-word "1012-tory"
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What will be an ideal response?