The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball thrown with a speed of 40 ms can go without hitting the ceiling of the hall{ In this question how did u get angle 33.6°is explain}

The ceiling of a long hall is 25 m high. What is the maximum horizonta

1.	The ceiling of a long hall is 25 m high. What is the maximum horizontal distance that a ball thrown with a speed of 40 ms can go without hitting the ceiling of the hall{ In this question how did u get angle 33.6°is explain}
Answer» horizontal RANGE = u2 sin2x/g = 40X 40x sin (2x33.6) /9.81 = 150 m APPROX