In projectile motion, the modulus of rate of change of velocity
is constant
first increases then decreases
first decreases then increases
None of the above
$\frac{d v}{d t}=g=$ constant
A particle is projected from a horizontal plane such that its velocity vector at time $t$ is given by $\vec v = a\hat i + (b – ct)\hat j$ . Its range on the horizontal plane is given by
For a particle in uniform circular motion, the acceleration $\overrightarrow{ a }$ at any point $P ( R , \theta)$ on the circular path of radius $R$ is (when $\theta$ is measured from the positive $x\,-$axis and $v$ is uniform speed)
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