Kinematics Question 549
Question: A hollow sphere has radius 6.4 m. Minimum velocity required by a motor cyclist at bottom to complete the circle will be[RPET 1997]
Options:
A) 17.7 m/s
B)10.2 m/s
C) 12.4 m/s
D)16.0 m/s
Show Answer
Answer:
Correct Answer: A
Solution:
$ {v _{\min }}=\sqrt{5gr}=17.7m/\sec $
