20 m 45° From the top of a building 20m high, a ball is thrown horizontally which hits the ground at a distance. The line joining the top of the building to the point where it hits the ground makes an angle of 45 with the ground. Initial velocity of projection of the ball is??
20 m 45° From the top of a building 20m high, a ball is thrown horizontally which hits the ground at a distance. The line joining the top of the building to the point where it hits the ground makes an angle of 45 with the ground. Initial velocity of projection of the ball is??
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Transcribed Image Text:20 m
45°
From the top of a building 20m
high, a ball is thrown
horizontally which hits the
ground at a distance. The line
joining the top of the building
to the point where it hits the
ground makes an angle
of 45 with the ground. Initial
velocity of projection of the
ball is??
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