Homework Statement
The mass m = 4 kg and the spring constant k = 64 N/m. The spring is unstretched when x = 0.
At t = 0, x = 0 and the mass has a velocity of 2 m/s down the inclined surface. What is the value
of x at t = 0.8 s?
The angle of incline is 20 degrees, and with the mass moving down...