Вопрос школьника по предмету Физика
ПОМОГИТЕ!!!!
Определите амплитуду, период и частоту, если уравнение имеет вид х = 0,2cos 25П*T
1)0.2 25 0.04
2)0.2 5п 4
3)0,2 0,08 12,5
Ответ учителя по предмету Физика
Ответ:
1 амплитуда 22, период 9
2 амплитуда 11, период 16
3 амплитуда 26, период наверное 12
Объяснение:
Не совсем уверен что посдеднее правильно, а так ОК.
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