ажіть будь-ласка!!!!
<span>Дано:</span>
<span>m=500кг</span>
<span>к=100Н/м</span>
<span>g=10H/кг</span>
<span>х-?</span>
<span>по закону Гука имеем <span> </span>F</span><span>у</span><span>=k*x выразим </span><span>х</span><span>=</span><span>F</span><span>/</span><span>k</span><span>, сила упругости = силе тяжести </span><span>F</span><span>у</span><span>=</span><span>F</span><span>т</span><span>, Fт=mg</span>
<span>Fт=500*10=5000Н</span>
<span>x=</span><span>5000/</span><span>100=50</span><span>м</span>
Ответ:
w=qu/2
W=4 * 500 * 10^(-4)
W=0,2 дж
Объяснение: