A 30-kg particle 1moves in a vertical plane along the tube 2 bent by arc of a circle with the radius R = 12 m. Determine a tangent acceleration of the particle in the indicated position. t Select one: a) 3.47 b) 6,94 c) 5,32 d) 1,86 e)14,85
Ukraine is a rich agricultural, industrial and mining region in south-eastern Europe. It is an independent democratic state. Its population is about 52 mln people. The capital of Ukraine is Kiev. Ukraine has its own armed forces, and maintains its own diplomatic relations with foreign countries. Ukraine covers about 603.700 sq. km being larger than any country in Western Europe. From east to west Ukraine stretches for more than 1300 km and from north to south for almost 900 km. It borders with Belarus and Russia on the north and on the east. In the south it is bounded by the Black Sea and the Sea of Azov. In the west Ukraine is bounded by Moldova, Rumania, Hungary, Slovakia and Poland.
Ukraine is a rich agricultural, industrial and mining region in south-eastern Europe. It is an independent democratic state. Its population is about 52 mln people. The capital of Ukraine is Kiev. Ukraine has its own armed forces, and maintains its own diplomatic relations with foreign countries. Ukraine covers about 603.700 sq. km being larger than any country in Western Europe. From east to west Ukraine stretches for more than 1300 km and from north to south for almost 900 km. It borders with Belarus and Russia on the north and on the east. In the south it is bounded by the Black Sea and the Sea of Azov. In the west Ukraine is bounded by Moldova, Rumania, Hungary, Slovakia and Poland.
Объяснение:
1. Роль и значение автомобиля возникли из-за того, что он может двигаться по дорогам без рельсов.
2. Изменения в сельскохозяйственной практике часто (по необходимости), чтобы сделать машину адаптируемой для повышения ее эффективности.
3. С древних времен человек (должен) использовать надлежащее оборудование для производства высоких культур.
4. В будущем автомобильный инженер (может) знает гораздо больше, чем машиностроение.
5. Инженер-проектировщик (должен) всегда знает достаточно о производственных возможностях поставщика.