Kinematics Question 540

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, it’s

Options:

A) h=5D2

B)h=5D4

C) h=3D4

D) h=D4

Show Answer

Answer:

Correct Answer: B

Solution:

h=52R=52(D2)=5D4

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