New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Motion in A Plane question

2022 · 26 Jul · Shift 1 · Q62

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Physics
Motion in A Plane
2022 · 26 Jul · Shift 1 · Q62

Motion in A Plane question

2022 · 26 Jul · Shift 1 · Q62

JEE MainPhysicsMotion in A PlaneMCQ+4 / −1

Two projectiles thrown at

30^{\circ}

and

45^{\circ}

with the horizontal respectively, reach the maximum height in same time. The ratio of their initial velocities is :

A
$1: \sqrt{2}$
B
$2: 1$
C
$\sqrt{2}: 1$
D
$1: 2$

More from Motion in A Plane

If the initial velocity in horizontal direction of a projectile is unit vector $\hat{i}$ and the equation of trajectory is $y = 5 x (1 - x)$ . The $y$ component vector of the initial velocity is $\hat{j}$ . ( $Take$ …2022 · Numerical
Two projectiles are thrown with same initial velocity making an angle of $4 5^{\circ}$ and $3 0^{\circ}$ with the horizontal respectively. The ratio of their respective ranges will be :2022 · MCQ
A fighter jet is flying horizontally at a certain altitude with a speed of 200 ms $-$ 1. When it passes directly overhead an anti-aircraft gun, a bullet is fired from the gun, at an angle $θ$ with the horizontal, to hit the jet. If…2022 · Numerical
A ball of mass m is thrown vertically upward. Another ball of mass $2 m$ is thrown at an angle $θ$ with the vertical. Both the balls stay in air for the same period of time. The ratio of the heights attained by the two balls…2022 · Numerical
A projectile is launched at an angle ' $α$ ' with the horizontal with a velocity 20 ms $-$ 1. After 10 s, its inclination with horizontal is ' $β$ '. The value of tan $β$ will be : (g = 10 ms $-$ 2).2022 · MCQ
A girl standing on road holds her umbrella at 45 $2$ with the vertical to keep the rain away. If she starts running without umbrella with a speed of 15 $2$ kmh $-$ 1, the rain drops hit her head vertically. The speed of rain…2022 · MCQ
At time $t = 0$ a particle starts travelling from a height $7 \overset{z}{^} cm$ in a plane keeping z coordinate constant. At any instant of time it's position along the $\overset{x}{^}$ and $\overset{y}{^}$ directions are defined as $3 t$ and…2022 · MCQ
An object is projected in the air with initial velocity u at an angle $θ$ . The projectile motion is such that the horizontal range R, is maximum. Another object is projected in the air with a horizontal range half of the range of…2022 · Numerical