A particle is uncharged and is thrown vertically upward from groundlevel with a speed of 27.4 m/s. As aresult, it attains a maximum height h. The particle isthen given a positive charge +q and reaches the samemaximum height h when thrown vertically upward with aspeed of 31.7 m/s. The electric potentialat the height h exceeds the electric potential at groundlevel. Finally, the particle is given a negative charge−q. Ignoring air resistance, determine the speedwith which the negatively charged particle must be thrownvertically upward, so that it attains exactly the maximum heighth. In all three situations, be sure to include the effectof gravity.
Your answer is incorrect. m/s


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