Pls help me with this .

The first one, In writing the decision, John Marshall argued that acts of Congress in conflict with the Constitution are not law and therefore are non-binding to the courts, and that the judiciary's first responsibility is always to uphold the Constitution. his opinion for the court, Marshall upheld the principle of judicial review, whereby courts could strike down federal and state laws if they conflicted with the Constitution.

Explanation: In 1838 and 1839, as part of Andrew Jackson's Indian removal policy, the Cherokee nation was forced to give up its lands east of the Mississippi River and to migrate to an area in present-day Oklahoma. The Cherokee people called this journey the "Trail of Tears," because of its devastating effects.

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