In what government system, power is divided between two levels: national and local

The answer is federalism, from the Latin foedus, which can be translated in English as deal or alliance. In a federal government, both the central, or federal, government and the regional, or local, governments, share the power in equal terms, and, as a result, their influence is limited.

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.