A projectile like a stone is thrown at an initial speed of v 0 =10m/s at an angle β=30 deg to the surface of a hill inclined at an angle α=20 deg to the horizontal. If the projectile's path is imaginarily extended, it intersects a line parallel to the surface of the incline at an angle 90 deg to it. The distance d is then
A projectile like a stone is thrown at an initial speed of v 0 =10m/s at an angle β=30 deg to the surface of a hill inclined at an angle α=20 deg to the horizontal. If the projectile's path is imaginarily extended, it intersects a line parallel to the surface of the incline at an angle 90 deg to it. The distance d is then





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