If x and y coordinates of a projectile as a function of time (t) are given as 24t and 43.6t - 4.9t², respectively, then the angle (in degrees) made by the projectile with horizontal when t = 2 s is .

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(2) 45. vₓ = 24 m/s; v_y = 43.6 - 9.8t = 43.6 - 19.6 = 24 m/s at t = 2 s. tan θ = (v_y)/(vₓ) = 1 ⇒ θ = 45°.

If x and y coordinates of a projectile as a function of time (t) are given as 24t and 43.6t - 4.9t², respectively, then the angle (in degrees) made by the projectile with horizontal when t = 2 s is ______.

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