The displacement of a mass suspended on a spring is modeled by the function y = 2sin(3pi t), where y is measured in inches and tin seconds. The amplitude, period, and frequency of the motion of the mass are given by

The rearrangement of particles in a physical change. hope this

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.

How are period and frequency related to each other? dperiod is the reciprocal of frequency.