From the top of a tower of height 50 m a ball is projected upwards with a speed of 30 m/s at an angle of 30° to the horizontal. Take g = 10 m/s². Find the maximum height from the ground (m).
Physics · Kinematics part-2 Projectile Motion · Projectile from height
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Question

From the top of a tower of height 50 m a ball is projected upwards with a speed of 30 m/s at an angle of 30° to the horizontal. Take g = 10 m/s². Find the maximum height from the ground (m).

G1 Physics · Accepted Answer

Vertical component = 15 m/s; rise = uᵧ²/(2g) = 11.25 m, so maximum height = 61.25 m.