A stone is projected at angle $30^{\circ}$ to the horizontal. The ratio of kinetic energy of the stone at point of projection to its kinetic energy at the highest point of flight will be :

  • [JEE MAIN 2023]
  • A

    $1: 2$

  • B

    $1: 4$

  • C

    $4: 1$

  • D

    $4: 3$

Similar Questions

A body is projected at an angle $\theta $ with horizontal, another body is projected with the same speed at an angle $\theta $ with the vertical then the ratio of the maximum height is

A ball of mass $m$ is thrown vertically upwards. Another ball of mass $2m$ is thrown at an angle $\theta $ with the vertical. Both of them stay in air for same period of time. The heights attained by the two balls are in the ratio of

The angle of projection for a projectile to have same horizontal range and maximum height is :

  • [JEE MAIN 2024]

A ball is projected upwards from the top of a tower with a velocity of $50\, ms^{-1}$  making an angle of $30^o$ with the horizontal. The height of the tower is $70\, m$. After how  many seconds from the instant of throwing will the ball reach the ground ?.......$s$

At $t = 0$ a projectile is fired from a point $O$(taken as origin) on the ground with a speed of $50\,\, m/s$ at an angle of $53^o$ with the horizontal. It just passes two points $A \& B$ each at height $75 \,\,m$ above horizontal as shown The distance (in metres) of the particle from origin at $t = 2$ sec.