MCQ
A particle is given an initial speed u inside a smooth spherical shell of radius R = 1 m so that it is just able to complete the circle. Acceleration of the particle when it is in vertical circle is ____________.
- A`3 "g" "m"//"s"^2`
- ✓`"g" sqrt10 "m"//"s"^2`
- C`"g" "m"//"s"^2`
- D`"g" sqrt2 "m"//"s"^2`
