question_answer

A projectile is fired at an angle \[\theta \] with the horizontal direction from 0, Fig. 2(d).24. Neglecting the air friction, it hits the ground at B after 3 seconds. What is the height of point A from ground?                         [Use\[g=10m/{{s}^{2}}\]]

Answer:

                Height of point A from B is the vertical distance a body will cover in three seconds. Thus,