Kinematics Question 561
Question: A particle is kept at rest at the top of a sphere of diameter 42 m.When d it’sturbed slightly, it slides down.At what height h from the bottom, the particle will leave the sphere [BHU 2003]
Options:
A) 14 m
B)28 m
C) 35 m
D) 7 m
Show Answer
Answer:
Correct Answer: C
Solution:
As we know for hem it’sphere the particle will leave the sphere at height $ h=2r/3 $
$ h=\frac{2}{3}\times 21=14m $ but from the bottom $ H=h+r=14+21=35metre $
