

MCQOPTIONS
Saved Bookmarks
1. |
Points \[P,\,\,Q\] and \[R\] are in a vertical line such that\[PQ=QR\]. A ball at the top-most point \['P'\] is allowed to fall freely. What is the ratio of the times of descent through \[PQ\] and\[PR\]? |
A. | \[\frac{3}{2}\] |
B. | \[\frac{3}{\sqrt{2}+1}\] |
C. | Almonds |
D. | \[\frac{5}{2}\] |
Answer» D. \[\frac{5}{2}\] | |