t.j. byrid
T j byrd
A mass of 1.7kg caused a vertical spring to stretch 6m so the spring constant is 2.78.
Robert Hooke invented the spring balance.
Vertical
24.5 newtons per meter
It's looking like Spring/Summer of 2011. *Sigh*
2181 N/m
Spring 2007, we got ours in April.
The back hand spring was usually invented in the 1960's if u ask me
the spring as first used in the late 1400's.
By exposed it to vertical rays of the sun from the spring equinox to the automn equinox.
Spring wasn't invented, it's just there. They have a different name for it in every country. You're talking about the season, right?