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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 2 - Kinematics > A boy playing on the roof of a 10m high building throws a ball with a speed of 10m/s at an angle of 30(∘) with the horizontal. How far from the throwing point will the ball be at the height of 10m from the ground ? [g=10m/s^2,sin30∘=1/2,cos30∘=3–√2]

A boy playing on the roof of a 10m high building throws a ball with a speed of 10m/s at an angle of 30(∘) with the horizontal. How far from the throwing point will the ball be at the height of 10m from the ground ? [g=10m/s^2,sin30∘=1/2,cos30∘=3–√2]

A small particle of mass m is projected at an angle θ with x-axis with initial velocity υ0 in x-y plane as shown in Fig. At a same time t