The speed of a solid sphere after rolling down from rest without sliding on an inclined plane of vertical height h is,
A. 43gh−−−−√
B. 107gh−−−−√
C. 2gh−−−√
D. 12gh−−−−√
Answer:A
The speed of a solid sphere after rolling down from rest without sliding on an inclined plane of vertical height h is,
A. 43gh−−−−√ B. 107gh−−−−√ C. 2gh−−−√ D. 12gh−−−−√