An object moves at a constant speed along a circular path in a horizontal plane with centre at the origin. When the object is at $x =+2\,m$, its velocity is $-4 \hat{ j }\, m / s$. The object's velocity $(v)$ and acceleration $(a)$ at $x =-2\,m$ will be
An object moves at a constant speed along a circular path in a horizontal plane with centre at the origin. When the object is at $x =+2\,m$, its velocity is $-4 \hat{ j }\, m / s$. The object's velocity $(v)$ and acceleration $(a)$ at $x =-2\,m$ will be
- [JEE MAIN 2023]
- A
$v =4 \hat{ i }\,m / s , a =8 \hat{ j }\,m / s ^2$
- B
$v =4 \hat{ j }\,m / s , a =8 \hat{ i }\,m / s ^2$
- C
$v =-4 \hat{ j }\,m / s , a =8 \hat{ i }\,m / s ^2$
- D
$v =-4 \hat{ i }\,m / s , a =-8 \hat{ j }\,m / s ^2$
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