Horizontal range is four times maximum height attained by a projectile. angle of projection is .....

English

Gujarati

Hindi

3-2.Motion in Plane

medium

The horizontal range is four times the maximum height attained by a projectile. The angle of projection is ......... $^o$

A

${90}$

B

${60}$

C

${45}$

D

${30}$

Solution

$ R = 4H\cot \theta ,$

if R = 4H then $\cot \theta = 1 \Rightarrow \theta = 45^\circ $

Standard 11

Physics

Share

Similar Questions

Two projectiles are thrown simultaneously in the same plane from the same point. If their velocities are $v_1$ and $v_2$ at angles $\theta _1$ and $\theta_2$ respectively from the horizontal, then answer the following question
The trajectory of particle $1$ with respect to particle $2$ will be

medium

Two particles are projected from the same point with the same speed at different angles $\theta _1$ and $\theta _2$ to the horizontal. They have the same range. Their times of flight are $t_1$ and $t_2$ respectively.

medium

The maximum horizontal range of a projectile is $400\, m$. The maximum value of height attained by it will be ……… $m$

medium

A stone is thrown at an angle $\theta $ to the horizontal reaches a maximum height $H$. Then the time of flight of stone will be

medium

A ball is thrown upwards at an angle of $60^o$ to the horizontal. It falls on the ground at a distance of $90 \,m$. If the ball is thrown with the same initial velocity at an angle $30^o$, it will fall on the ground at a distance of …….. $m$

easy