Two particles A and B are simultaneously projected vertically upward from the same point with speeds u and 2u. Neglect air resistance and consider the interval while both remain in free flight. Which statements are correct?
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Question

Two particles A and B are simultaneously projected vertically upward from the same point with speeds u and 2u. Neglect air resistance and consider the interval while both remain in free flight. Which statements are correct?

Select all that apply

G1 Physics · Accepted Answer

Both accelerations are −g, hence relative acceleration is zero. Relative velocity=(2u−gt)−(u−gt)=u, constant, so separation grows linearly. They do not meet again while both are in free flight.