Two stones, A and B, are thrown from a balcony with the same initial speed: stone A horizontally, and stone B at 30^o above the horizontal. Just before their impact with the ground, in the absence of air resistance A) the velocity of A is larger than the velocity of B. B) the velocity of A is the same as the velocity of B. C) the velocity of A is smaller than the velocity of B. D) both velocities are zero.

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Quizplus · Accepted Answer

In the absence of air resistance, both stones will have the same acceleration due to gravity and will hit the ground with the same velocity, regardless of their initial projection angles. This is because both the horizontal and vertical components of their velocities will increase at the same rate due to gravity, leading to the same final velocity upon impact.

Two Stones, a and B, Are Thrown from a Balcony