Asked by Helpp
A student ties a 600.0 g rock to a 1.50 m-long string and swings it around her head in a horizontal circle. At what angular speed (in rev/min) does the string tilt down at a 13.1° angle, assuming that the local acceleration due to gravity is -9.80 m/s2?
Answers
Answered by
bobpursley
weight/centripforce=tan13.1
mg/(mv^2/r)= tan13.1
solve for v
mg/(mv^2/r)= tan13.1
solve for v
Answered by
Helpp
It says it was incorrect even after I converted to rev/min
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