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A projectile is fired from point 0 at the edge of a cliff,with initial velocity components of and
,as shown in the figure.The projectile rises and then falls into the sea at point P.The time of flight of the projectile is 40.0 s,and it experiences no appreciable air resistance in flight.What is the magnitude of the velocity of the projectile 21.0 s after it is fired?
Native American Tribes
Indigenous peoples in the United States with distinct cultures, languages, and histories, recognized as sovereign nations by the federal government.
Windings
Coils of wire in electrical devices, such as motors and generators, that generate magnetic fields when current flows through them or induce current when they rotate in a magnetic field.
Voltages
The difference in electric potential between two points, expressed in volts.
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