A 30-Kg Brick Rests on a Perfectly Smooth Ramp Inclined at at 34°

Multiple Choice

A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached
To a wall above the brick. The spring has a spring constant (force constant) of 120 N/m. By how
Much does the spring stretch with the brick attached?

A) 24 cm
B) 240 cm
C) 14 cm
D) 36 cm
E) 360 cm