How is the vector of the initial velocity of the body directed, if the trajectory of its motion is: a) a vertical straight line;

bystudin | August 29, 2020 | Education

How is the vector of the initial velocity of the body directed, if the trajectory of its motion is: a) a vertical straight line; b) parabola? Neglect air resistance

a) either vertically up or vertically down;
b) At some angle to the horizon.

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