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A body is thrown vertically upward with ...

A body is thrown vertically upward with velocity u. The distance travelled by it in the `7^(th) and 8^(th)` seconds are equal. The displacement in `8^(th)` seconds is equal to (take `g=10m//s^(2)`)

A

5 m

B

10 m

C

2.5 m

D

`(5)/(3)m`

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