1. Станок массой 400 кг опирается на фундамент. Определите давление станка на фундамент, если площадь опоры 200 см2. 2. Зачем железнодорожные рельсы укладывают на шпалы?
3. Почему подводные лодки страдали от взрыва глубинных бомб даже тогда, когда бомба взрывалась в стороне от лодки?
4. Найти высоту столба керосина в цистерне, если давление керосина на дно составляет 21 кПа. Плотность керосина 700 кг/м3.

In the first picture, the girl is listening to music and from her face, we can understand that she is enjoying it.

Then, in the second picture, the boy is drawing a picture with colored pencils.

In the third, the group of kids is doing a piece of art. The boy with brown hair is drawing a picture, while a girl with black hair is doing pottery. (По картинке я не понял что делают другие)

In the last picture, the kids are playing in the band. We can see that the first boy in a yellow T-shirt is singing a song while his friends are playing on different instruments.

In the first picture, the girl is listening to music and from her face, we can understand that she is enjoying it.

Then, in the second picture, the boy is drawing a picture with colored pencils.

In the third, the group of kids is doing a piece of art. The boy with brown hair is drawing a picture, while a girl with black hair is doing pottery. (По картинке я не понял что делают другие)

In the last picture, the kids are playing in the band. We can see that the first boy in a yellow T-shirt is singing a song while his friends are playing on different instruments.