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Q. A baseball pitcher throws a pitch with a initial velocity of 41.4 m/s, directed horizontally. How far does the ball drop vertically by the time it reaches the plate 18.0 m away? Need X and Y componet

Q. How much work is needed to assemble an atomic nucleus containing three protons (such as Be) if we model it as an equilateral triangle of side 2.00 times 10^{ - 15} {rm{ m}} with a proton at each vertex? Assume the protons started from very far away.

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