# A body is projected with a velocity of 40 ms^-1 . After 2 s, it crosses a vertical pole of height 20.4 m. The angle of projection be (g = 9.8 ms^-2)

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A body is projected with a velocity of 40 ms-1 . After 2 s, it crosses a vertical pole of height 20.4 m. The angle of projection be (g = 9.8 ms-2)

(a) 15°

(b) 30°

(c) 45°

(d) 60°

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