Question

a rock at the end of the string follows a circular path if the string breaks, where does the rock go?

Answer 1

Its tangent to the last position of the rock just before the string break.

Answer 2

what does that mean?

Answer 3

i'm still really confused! help me please. use english :)

Answer 4

In my previous picture, the circle is the path followed by the rock before string break.

Answer 5

If the string break by the time i take the picture, the rock will follow stright line in the direction shown by arrow.

Answer 6

T -mg*cosdetha = 0
\[\frac{ m*v^2 }{ L } =mg*\cos \theta --->\cos \theta =\frac{ v^2 }{ L*g}\]
v^2 -vo^2 =-2gR
R =vo^2/2g