Предмет: Физика, автор: pecericalilia26

Допоможіть з к/р . ТЕРМІНОВО
1.За допомогою збиральної лінзи отримали зображення предмета, збільшене в 20 разів , На якій відстані від лінзи розміщений екран , якщо фокусна відстань лінзи 40 см?
2. Ліхтар розміщений на висоті 4 м над Землею . Якою буде довжина тіні на горизонтальній ділянці земної поверхні людини зростом 1.5 м , яка стоїть на відстані 2 м від стовпа, на якому висить ліхтар .

Ответы

Автор ответа: rjr13

Ответ:

.бшрлщш

Объяснение:

роолооролллддддбб

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