A ball is thrown upwards at an angle of 60∘ to the horizontal. It falls on the ground at a distance of 90 m. If the ball is thrown with the same initial velocity at an angle 30∘, it will fall on the ground at a distance of
A ball is thrown from ground level of a field with a speed of 12.0 m/s at an angle of 45∘ with the horizontal. At what distance will it hit the field again? Take g = 10.0 m/s2.