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Question

A ball is thrown at 30 m/s at 60° to the horizontal. What is the time of flight? (Take g = 10 m/s²)

Options

Choose one · Correct answer highlighted

Explanation

Time of flight T\_f = (2 v₀ sin θ₀) / g. As per NCERT Chapter 3, equations v=u+at, s=ut+½at², v²=u²+2as describe uniformly accelerated motion. Applying correct signs and units gives 3 s as the result, so option A is correct.