A ball of mass $160\, g$ is thrown up at an angle of $60^o$ to the horizontal at a speed of $10\, m\,s^{-1}$ . The angular momentum of the ball at the highest point of the trajectcry with respect to the point from which the ball is thrown is nearly ........ $kg\, m^2/s$  $(g\, = 10\, m\,s^{-2})$

  • [JEE MAIN 2014]
  • A

    $1.73$

  • B

    $3.0$

  • C

    $3.46$

  • D

    $6.0$

Similar Questions

A particle is projected with an angle of projection $\theta$ to the horizontal line passing through the points $( P , Q )$ and $( Q , P )$ referred to horizontal and vertical axes (can be treated as $x$-axis and $y$-axis respectively).

The angle of projection can be given by

  • [AIIMS 2015]

A projectile is thrown with speed $40 \,ms ^{-1}$ at angle $\theta$ from horizontal. It is found that projectile is at same height at $1 \,s$ and $3 \,s$. What is the angle of projection?

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If $v_1\,\,cos\,\,\theta _1 = v_2\,\,cos\,\,\theta _2$, then choose the incorrect statement

A projectile crosses two walls of equal height $H$ symmetrically as shown If the horizontal distance between the two walls is $d = 120\,\, m$, then the range of the projectile is ........ $m$

Trajectory of particle in a projectile motion is given as $y=x-\frac{x^2}{80}$. Here, $x$ and $y$ are in metre. For this projectile motion match the following with $g=10\,m / s ^2$.

$Column-I$ $Column-II$
$(A)$ Angle of projection $(p)$ $20\,m$
$(B)$ Angle of velocity with horizontal after $4\,s$ $(q)$ $80\,m$
$(C)$ Maximum height $(r)$ $45^{\circ}$
$(D)$ Horizontal range $(s)$ $\tan ^{-1}\left(\frac{1}{2}\right)$