A boy playing on the roof of a 10 m high building throws a ball with a speed of 10 m/s at an angle of 300 with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground ?
5.20 m
4.33 m
2.60 m
8.66 m.
Height of building = 10m
The ball projected from the roof of the building will be back to the roof of a height of 10 m after covering the maximum horizontal range.
Maximum horizontal range
or
or
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