Предмет: Физика, автор: rostislav1777

Под действием груза весом Р= 2H вертикально подвешенная пружина растянулась на
Alt = 2 см. Длина недеформированной пружины равнa lo = 8 см.

Определите жёсткость k пружины. Ответ выразите в H/m, округлив до целых

выберете формулу для определения пружины l2, если на неё подвесить ещё один такой груз.

чему будет равна длина этой пружины l2 если на неё подвесить ещё один такой груз? ответ выразить в см округлив до целых

Ответы

Автор ответа: lvv9136
1

Ответ:

Объяснение:

Р= 2H;

Р₂= 4 H

x= 2 см=0,02 м;

lo = 8 см;

k L₂ ? k=P/x=2/0,02=100 H/м;

L₂=lo+x₂=lo+P₂/k=0,08+P₂/100=

(0,08+0,01*P₂)*100

L₂=(0,08+0,01*4)*100=

12 c

м;

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