1. Homework Statement
Sin2x-cosx=1
Solve for all x values between [0,2pi)
2. Homework Equations
Sin2x=2sinxcosx
3. The Attempt at a Solution
2sinxcosx-cosx=1
cosx(2sinx-1)=1
I don't know what to do after this. It doesn't equal 0 so I can't set each factor equal to 0
1. Homework Statement
A roller coaster at an amusement park is at rest on top of a 30 m hill (point A). The car starts to roll down the hill and reaches point B which is 10 m above the ground, and then rolls up the track to point C, which is 20 m above the ground.
(A) A student assumes no...
1. Homework Statement
A box slides down an inclined plane (angle = 37*). The mass of the block is 35 kg, the coefficient of kinetic friction between the box and the ramp is 0.3, and the length of the ramp is 8 m. If it starts from rest at the top of the ramp, with what speed does it reach the...
1. Homework Statement
For the following arrangement of two springs, determine the effective spring constant, keff. This is the force constant of a single spring that would produce the same force on the block as the pair of springs shown for this case.
(Spring 1 is attached to Spring 2 which...