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← JEE Main 2026 · 4 Apr · Shift 2
PhysicsSingle correct+4 / -1Question 29 of 75

JEE Main 2026 · 4 Apr · Shift 2, Physics question 29

If xx and yy coordinates of a projectile as a function of time (tt) are given as 24t24t and 43.6t−4.9t243.6t-4.9t^2, respectively, then the angle (in degrees) made by the projectile with horizontal when t=2t=2 s is ________.

Choose one option
Answer and worked solution

Official answer: B

Velocity at t = 2 s. vx=24v_x=24 and vy=43.6−9.8(2)=24v_y=43.6-9.8(2)=24 m/s.

Angle. tan⁡θ=1\tan\theta=1, so 45°.

(B)