Test Academy | A boy playing on the roof of a 10m high building throws a ball with a speed of 10 m/s at an angle of 30° with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground (g = 10 m/s², sin 30°=1/2, cos 30°=√3/2) 8.66 m, 5.20 m , 4.33 m, 2.60 m

Question

A boy playing on the roof of a 10m high building throws a ball with a speed of 10 m/s at an angle of 30° with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground (g = 10 m/s², sin 30°=1/2, cos 30°=√3/2)

Options :

8.66 m
5.20 m
4.33 m
2.60 m

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