Buoyancy & Buoyant Force Video Lessons

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Problem: A 7.4 kg solid sphere made of metal whose density is 2300 kg/m3, is suspended by a cord. When the sphere is immersed in a liquid of unknown density, the tension in the cord is 18 N. The density of the liquid is closest to: A. 1700 kg/m3 B. 1600 kg/m3 C. 1500 kg/m3 D. 1400 kg/m3 E. 1300 kg/m3

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Problem Details

A 7.4 kg solid sphere made of metal whose density is 2300 kg/m3, is suspended by a cord. When the sphere is immersed in a liquid of unknown density, the tension in the cord is 18 N. The density of the liquid is closest to:

A. 1700 kg/m3

B. 1600 kg/m3

C. 1500 kg/m3

D. 1400 kg/m3

E. 1300 kg/m3

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Buoyancy & Buoyant Force concept. You can view video lessons to learn Buoyancy & Buoyant Force. Or if you need more Buoyancy & Buoyant Force practice, you can also practice Buoyancy & Buoyant Force practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 5 minutes and 53 seconds to solve this problem. You can follow their steps in the video explanation above.