Resposta :
F = K * x
3cm = 0,03m
F = 500 * 0,03
************
F = 15N
***********
******************************************************
F = K*x
100 = 500 * x
100/500 = x
**********************
x = 0,2m = 20cm
**********************
3cm = 0,03m
F = 500 * 0,03
************
F = 15N
***********
******************************************************
F = K*x
100 = 500 * x
100/500 = x
**********************
x = 0,2m = 20cm
**********************