Какую силу F надо приложить к концам стального стержня с площадью поперечного сечения S=10 см2, чтобы не дать ему расшириться при нагревании от t0=0° С до t=30° С?
Does she study English at school? Does he go to school every day? Does the Earth go round the sun? Does the bus usually leave at 7 o'clock? Does he do his homework every evening? Does she go to the summer camp every summer? Does she wear a uniform at work? Does he help his mother? Does he play tennis every other day? Does she cook dinner?
Do you like rainy weather? Do you recognize me? Do you know what is he speaking about? Do you want anythink to drink? Do you like this dress? Do they live in London? Do you arrive at 6 o'clock? Do they work at hospital? Do they like an ice-crem? Do you want to go to England?
Does he go to school every day?
Does the Earth go round the sun?
Does the bus usually leave at 7 o'clock?
Does he do his homework every evening?
Does she go to the summer camp every summer?
Does she wear a uniform at work?
Does he help his mother?
Does he play tennis every other day?
Does she cook dinner?
Do you like rainy weather?
Do you recognize me?
Do you know what is he speaking about?
Do you want anythink to drink?
Do you like this dress?
Do they live in London?
Do you arrive at 6 o'clock?
Do they work at hospital?
Do they like an ice-crem?
Do you want to go to England?