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When an object falls through air, there is a drag force (with dimension M· L/T 2) that depends on the product of the surface area of the object and the square of its velocity; i.e., Fair = C Av2, where C is a constant. What is the dimension for constant C?
1. [C] = M/T
2. [C] = M/L3
3. [C] = M/L2
4. [C] = T•L/M
5. [C] = T2•L2/M
6. [C] = T•L2/M
7. [C] = T2•L/M
8. [C] = T/M
9. [C] = M/T•L2
10. [C] = M/T2•L2
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