Physics, 25.05.2021 18:50 BreBreDoeCCx

ПОМОГИТЕ СПОЧНО ПОЖАЛУЙСТА! Вантаж масою 1,4 кг учень рівномірно перемістив до вершини похилої площини, довжина якої 1,4 м і висотою 0,5 м прикладаючи до нього силу 8 н’ютон. Який результат здобуде учень обчислюючи ККД установки?

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ПОМОГИТЕ СПОЧНО ПОЖАЛУЙСТА! Вантаж масою 1,4 кг учень рівномірно перемістив до вершини похилої площи...

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