Aquarterback passes a football to a receiver on a windless day. why are the initial horizontal speed (just as it leaves the quarterback's hand) and the final horizontal speed (just before it's caught) the same? you may ignore the effects of air friction.
a. gravity pulls on the ball during its flight.
b. the vertical speed increases during the ball's flight.
c. there is no acceleration in the horizontal (or x) direction.
d. actually, they're not the same.

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward