Question

A body slides down a frictionless track which ends in a circular loop of diameter d, then the minimum height h of the body in term of d so that it may just complete the loop, is

Answer 1

Answer:

5D/4

Explanation:

ANSWER

V

0

required for a complete vertical circle: V

0

=

2

5

gD

WET between top and bottom:

mgH=

2

1

mV

0

2

gH=

4

5

gD

H=

4

5

D