1. A force of 10 lbs. is required to hold a spring stretched 4 inches beyond its natural tength. How much work
is done in stretching ﬁt from its naturat length to 6 inches beyond its natural length? ( in foot pounds).
Lek-"RAT wt’é‘w’écp To C‘A‘Lc
Plotting Periodic Trends
1. Record your calculated straw length for each element on this table. Make sure to show a
sample calculation below. (21 points)
Length of Straw