2.A solid sphere of mass 1 kg, radius 10 cm rolls down an inclined plane of height 7 m. The velocity of its centre as it reaches the ground level is (a) 7 m/s (b) 10 m/s (c) 15 m/s (d) 20 m/s

2.A solid sphere of mass 1 kg, radius 10 cm rolls down an inclined pla

1.	2.A solid sphere of mass 1 kg, radius 10 cm rolls down an inclined plane of height 7 m. The velocity of its centre as it reaches the ground level is (a) 7 m/s (b) 10 m/s (c) 15 m/s (d) 20 m/s
Answer» 2.A solid sphere of mass 1 kg, radius 10 cm rolls down an inclined plane of height 7 m. The velocity of its centre as it reaches the ground level is (a) 7 m/s (b) 10 m/s (c) 15 m/s (d) 20 m/s