The maximum height attained by a projectile depends on the angle of projection 0 for a given initial speed. A projectile fired at an angle closer to 90° stays longer in the air and attains a greater height. The range also depends on the angle of projection. For a given initial speed, raising the angle of projection up to 45° increases the range. Maximum range is obtained at 45°. Anything higher decreases the range. In addition, two complementary angles give the same range for a given initial velocity. Thus, angles of projection of 20° and 70° for a given initial velocity cover the same range. pa help
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The statement describes the relationship between the angle of projection and the maximum height and range of a projectile. It states that the maximum height reached by a projectile depends on the angle of projection. When the angle of projection is closer to 90° (nearly vertical), the projectile stays in the air for a longer time and reaches a greater height.
Similarly, the range of a projectile also depends on the angle of projection. Increasing the angle of projection up to 45° increases the range. The maximum range is achieved when the angle of projection is 45°. If the angle of projection exceeds 45°, the range starts to decrease.
Furthermore, the statement mentions that two complementary angles (angles that add up to 90°) will result in the same range for a given initial velocity. This means that if a projectile is launched at angles of projection such as 20° and 70°, both will cover the same range as long as the initial velocity remains constant.
Overall, the statement highlights the significance of the angle of projection in determining the maximum height and range of a projectile. It emphasizes the relationship between the angle and these two factors, providing insights into the behavior of projectiles in different launch conditions.