Question

6. From the top of a building 80 m 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 ( g=10m/s²)
a) 10 m/s b) 15 m/s c)20 m/s d) 30 m/s​

Answer 1

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