A mass weighing 16 pounds stretches a spring 8 inches. The mass is initially released from a point 2 inches above the equilibrium position with a downward velocity of 2 ft/s. Assume the spring/mass system has free undamped motion. Find the equation of motion.

Need more information like a picture

Hey did u get the answer?

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.

Lysosomes are considered  a digestive enzyme