Какую минимальную скорость в горизонтальном направлении необходимо сообщить телу массой m: а) подвешенному на конце нити длиной

2) There aren't any chairs at the table.3) There is a vase on the table.4) There isn't any lamp  on the table.5) There isn't any TV, but there is a sofa of the half.6) There are two armchairs at the wall.7) There is a small table next to the armchairs.8) There isn't any telephone on the small table.9)  Look! There is a dog on the sofa.