How did slaves fit into the American Revolutionary war? I need it real quick! Pls help me...

African Americans played an important role in the revolution. They fought at Fort Ticonderoga and the Battle of Bunker Hill. A slave helped row Washington across the Delaware. Altogether, some 5,000 free blacks and slaves served in the Continental army during the Revolution.

Explanation:

African Americans played an important role in the revolution. They fought at Fort Ticonderoga and the Battle of Bunker Hill. A slave helped row Washington across the Delaware. Altogether, some 5,000 free blacks and slaves served in the Continental army during the Revolution.

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