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A mass attached to a spring performs vertical oscillations. The block experiences a damping force from the surrounding fluid given by Fd = -bv, where b is a positive constant. The value of b depends on:

1. the viscosity of the medium
2. the dimensions of the block
3. the geometry of the block
4. all of the above

Correct answer: all of the above

Solution

The damping force coefficient b is influenced by the viscosity of the medium, which affects resistance, as well as the dimensions and geometry of the block, which determine how the block interacts with the fluid. Therefore, all these factors collectively influence the value of b.

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