An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal. The equation for the trajectory is h=Ax-Bx² where h is the height, x is the horizontal distance, A and B are constants. The ratio of A:B is (g=10 ms⁻²)

Options

(a) 1:5
(b) 5:1
(c) 1:40
(d) 40:1

Correct Answer:

40:1

Explanation:

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