Alendar class progress classlist content discussions eportfolio grades quizzes surveys rself: undamped spring motion william morrison: attempt 1 question 2 (1 point) a force of 360 newtons stretches a spring 2 meters. a mass of 20 kilograms is attached to the end of the spring and released from the equilibrium position with an upward velocity of 5 meters per second. find the equation of motion. ved a(t) 2 sin(3t) - 2 cos(3t) o(t) 2 cos(3t) set r(t) 2 cos(3t) 2sin(3t) sin (3t save question 3 (1 point) a 16 pound weight attached to a spring exhibits simple harmonic motion. determine the equation of motion if the spring constant is 8 lb/ft and if the weight is released 6