A) Zero
B) 2 m/sec
C) 4 n m/sec
D) 8 k m/sec
Correct Answer: B
Solution :
[b] \[Average\text{ }velocity\text{ }=\frac{Displacement}{~time}\] \[=\frac{\overline{r}+\overline{r}}{t}\] \[=\frac{2\times 40}{40}\] = 2m/secYou need to login to perform this action.
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