A) 50 m/s
B) 180 m/s
C) 5 m/s
D) zero
Correct Answer: D
Solution :
If athlete completes one round of a circular track then displacement = 0 Therefore, Velocity \[=\frac{\text{displacment}}{\text{time}}=\frac{0}{30s}=0\]You need to login to perform this action.
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