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A particle moves along a parabolic path y = 9 in such a way that the x component of velocity remain constant and has a value . The acceleration of the particle is
detailed solution
Correct option is D
y=9x2 dydt= 18x dxdt= 18x vx= 6x ( vx=13m/s) ay=6 dxdt = 6 vx = 2 m/s2Talk to our academic expert!
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An aeroplane is flying horizontally at a height of 490 m with a velocity of 150 ms-1. A bag containing food is to be dropped to the jawans on the ground. How far from them should the bag be dropped so that it directly reaches them ?
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