Three identical (massless) springs are hung from the ceiling.
Spring 1: Nothing hung from spring. The spring's bottom is0.2 m below the ceiling.
Spring 2: A 5 N object is hung from the spring. The spring's bottom is 0.6 m below the ceiling.
Spring 3: An object of unknown weight is hung from the spring. The spring's bottom is 0.8 m below the ceiling.
a) Discover the spring constant that each spring has in. __________ N/m
b) Discover the weight of the unknown object._________ N