JEE PYQ: Rotational Motion Question 9
Question 9 - 2021 (17 Mar Shift 2)
A sphere of mass 2 kg and radius 0.5 m is rolling with an initial speed of 1 ms$^{-1}$ goes up an inclined plane which makes an angle of 30$°$ with the horizontal plane, without slipping. How long will the sphere take to return to the starting point A?
(1) 0.60 s
(2) 0.52 s
(3) 0.57 s
(4) 0.80 s