During a basketball game, a player shoots a ball from half-court. When the ball reaches a height of 4.5 m above the floor, it is moving at 5.0m/s. If the ball was released from 2.5 m above the floor, what was the angle above the horizontal of the ball’s initial velocity?

a.

b.

c.

d.

e.

f.


f.

Physics & Space Science

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Mercury's average density is about as high as Earth's. This is most likely because

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