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Questions Bank (1238266 total)
The children were cold. They .... in the snow all afternoon.
While Matthew was fixing the window,he.....off the ladder.
By the time they arrived at the beach, it... to rain.
They ......for three hours before they found the house.
He ...... tennis every day during the summer holidays.
This time last week, I ....an exam.
Перетворіть або спростіть використовуючи основні тотожності алгебри множин
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Визначити
Un laser Hélium-Néon de puissance moyenne mW émet un faisceau lumineux supposé cylindrique de rayon mm et de longueur d'onde nm, que l'on assimilera à une OPPH.
Déterminer l'amplitude (en T) du champ magnétique émis par ce laser.
On donne SI et SI.
What is the time of flight in seconds, measured by an ultrasonic sensor to an obstacle situated at 9,0 meters, and assuming a speed of sound of 343 m/s?