Okay so recently I downloaded a Conic section program on my TI-89 Titanium. It has had several issues, which I managed to fix, but I can't fix this one. It can only sometimes find the radius of a circle. From the standard form equation 3x^2-12x+3y^2+6y-15=0 it gets the radius right, which is...
Homework Statement
The box on the frictionless ramp is held at rest by the tension force. The mass of the box is 20kg. What is the value of the tension force?Homework Equations
sine=opp/hyp cosine=adj/hyp F=ma
The Attempt at a Solution
Did 20*9.8 to get the force of gravity on the object...