The position co-ordinates of a projectile thrown from ground are given by y = (12t - 5t2)m and x = 5t(m). The initial speed of throw is (Here t is in second) (1) 10 m/s (2) 13 m/s (3) 11 m/s (4) 17 m/s ?

The position co-ordinates of a projectile thrown from ground are given

1.	The position co-ordinates of a projectile thrown from ground are given by y = (12t - 5t2)m and x = 5t(m). The initial speed of throw is (Here t is in second) (1) 10 m/s (2) 13 m/s (3) 11 m/s (4) 17 m/s ?
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The position co-ordinates of a projectile thrown from ground are given by y = (12t - 5t2)m and x = 5t(m). The initial speed of throw is (Here t is in second) (1) 10 m/s (2) 13 m/s (3) 11 m/s (4) 17 m/s ?​

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The position co-ordinates of a projectile thrown from ground are given by y = (12t - 5t2)m and x = 5t(m). The initial speed of throw is (Here t is in second) (1) 10 m/s (2) 13 m/s (3) 11 m/s (4) 17 m/s ?