Find time of flight of the projectile along the inclined plane as shown in figure. The projectile is projected horizontally toward the left with speed 20 m/s from an incline at 30°. (g = 10 m/s²)

Question

G1 Physics · Accepted Answer

x = -20t and y = -5t². With y = x tan30°, -5t² = -20t/√3, so t = 4/√3 ≈ 2.31 s.