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The initial speed of a bullet fired from a rifle is 630 m/s. The rifle is fired at the centre of a target 700 m away at the same level as the target. How far above the centre of the target the rifle must be aimed in order to hit the target ?
(a)1.0 m
(b)9.8 m
(c)4.2 m
(d)6.1 m

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Important Questions on Motion in a Plane
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The velocity of a projectile at the initial point is . Its velocity (in ) at point is

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(Take )


