A stone Q is tied to a point P vertically above Q by an inelastic string of length 2 meters. How high does the stone rise when the string is inclined at an angle 60o to the vertical?
A
It does not rise
B
2\(\sqrt{3}\) meters
C
3 meters
D
1 meters
E
3
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
Cos 60o = \(\frac{PD}{2}\)
Cos 60o x 2 = 0.5 x 2
= 1m
Source: Myschool Past Questions Archive (Record #32517)