Which one of the following statements is not true about the motion of a projectile?
Which one of the following statements is not true about the motion of a projectile?
- A
The time of flight of a projectile is proportional to the speed with which it is projected at a given angle of projection
- B
The horizontal range of a projectile is proportional to the square root of the speed with which it is projected
- C
For a given speed of projection, the angle of projection for maximum range is $45^{\circ}$
- D
At maximum height, the acceleration due to gravity is perpendicular to the velocity of the projectile
Similar Questions
The equation of motion of a projectile is: $y = 12x - \frac{5}{9}{x^2}$. The horizontal component of velocity is $3\ ms^{- 1}$ . Given that $g = 10\ ms^{- 2}$ , .......... $m$ is the range of the projectile .
The equation of motion of a projectile is: $y = 12x - \frac{5}{9}{x^2}$. The horizontal component of velocity is $3\ ms^{- 1}$ . Given that $g = 10\ ms^{- 2}$ , .......... $m$ is the range of the projectile .
Two stones having different masses $m_1$ and $m_2$ are projected at an angle $\alpha$ and $\left(90^{\circ}-\alpha\right)$ with same speed from same point. The ratio of their maximum heights is
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- [AIEEE 2004]
The ranges and heights for two projectiles projected with the same initial velocity at angles $42^{\circ}$ and $48^{\circ}$ with the horizontal are ${R}_{1}, {R}_{2}$ and ${H}_{1}$, ${H}_{2}$ respectively. Choose the correct option:
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- [JEE MAIN 2021]
For a projectile, the ratio of maximum height reached to the square of flight time is ($g = 10 ms^{-2}$)
For a projectile, the ratio of maximum height reached to the square of flight time is ($g = 10 ms^{-2}$)