Medium
The speeds of ten particles in $ms^{-1}$ are $0, 2, 3, 4, 4, 4, 5, 5, 6, 9$. The values of average speed,$rms$ speed,and most probable speed are respectively:
- A$4.1 \ m/s, 4.1 \ m/s, 4.1 \ m/s$
- B$4.5 \ m/s, 4.5 \ m/s, 5.0 \ m/s$
- C$4.2 \ m/s, 4.77 \ m/s, 4.0 \ m/s$
- D$4.2 \ m/s, 5.1 \ m/s, 4.0 \ m/s$
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