A) Displacement of the particle is zero
B) Average speed of the particle is 3 m/s
C) Displacement of the particle is 30 m
D) Both (a) and (b)
Correct Answer: C
Solution :
Displacement of the particle will be zero because it comes back to its starting point \[\text{Average speed }=\frac{\text{Total distance }}{\text{Total time }}=\frac{30m}{10\ sec}=3\ m/s\]
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