You find that your hand$1\mathrm{.}25kg,$stretch a spring vertically$3\mathrm{<font><font>.</font></font>}7\mathrm{<font><font>5</font></font>}cm$from your position$$n of balance. to$)$With$$What is the force constant of this spring? b$\mathrm{<font><font>)</font></font>}$With$$This dough should now have your hand to stretch until$8?\mathrm{<font><font>1</font></font>}\mathrm{<font><font>3</font></font>}\mathrm{<font><font>c</font></font>}\mathrm{<font><font>m</font></font>}$from the position$$n of balance? With drawings and formulas from the beginning.