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a
minimum velocity at the point of projection and maximum at the maximum height
b
maximum velocity at the point of projection and minimum velocity at the maximum height
c
same velocity at any point in its path
d
zero velocity at the maximum height irrespective of the velocity of projection
answer is B.
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Detailed Solution
Motion of a body when projected obliquely can be resolved into horizontal motion and vertical motion.Since acceleration of the projectile is vertically downwards , its vertical component of velocity in upward journey gradually decreases and becomes zero at the highest point and horizontal component of velocity remains unchanged.Therefore , Option -(2) is correct.