Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Motion in A Plane question

2022 · 24 Jun · Shift 1 · Q48
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Motion in A Plane
  5. /2022 · 24 Jun · Shift 1 · Q48

Motion in A Plane question

2022 · 24 Jun · Shift 1 · Q48

JEE MainPhysicsMotion in A PlaneMCQ+4 / −1
A projectile is projected with velocity of 25 m/s at an angle θ\thetaθ with the horizontal. After t seconds its inclination with horizontal becomes zero. If R represents horizontal range of the projectile, the value of θ\thetaθ will be : [use g = 10 m/s2]
  1. A
    12sin⁡−1(5t24R){1 \over 2}{\sin ^{ - 1}}\left( {{{5{t^2}} \over {4R}}} \right)21​sin−1(4R5t2​)
  2. B
    12sin⁡−1(4R5t2){1 \over 2}{\sin ^{ - 1}}\left( {{{4R} \over {5{t^2}}}} \right)21​sin−1(5t24R​)
  3. C
    tan⁡−1(4t25R){\tan ^{ - 1}}\left( {{{4{t^2}} \over {5R}}} \right)tan−1(5R4t2​)
  4. D
    cot⁡−1(R20t2){\cot ^{ - 1}}\left( {{R \over {20{t^2}}}} \right)cot−1(20t2R​)
PreviousNext

More from Motion in A Plane

  • A body is projected from the ground at an angle of 45 ∘ with the horizontal. Its velocity after 2s is 20 ms − 1. The maximum height reached by the body during its motion is ​ m. (use g = 10 ms − 2)2022 · Numerical
  • A ball is projected from the ground with a speed 15 ms − 1 at an angle θ with horizontal so that its range and maximum height are equal, then 'tan θ' will be equal to :2022 · MCQ
  • Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Two identical balls A and B thrown with same velocity 'u' at two different angles with horizontal attained the same range…2022 · MCQ
  • Two projectiles thrown at 30∘ and 45∘ with the horizontal respectively, reach the maximum height in same time. The ratio of their initial velocities is :2022 · MCQ
  • If the initial velocity in horizontal direction of a projectile is unit vector i^ and the equation of trajectory is y=5x(1−x). The y component vector of the initial velocity is ​j^​. (Take…2022 · Numerical
  • Two projectiles are thrown with same initial velocity making an angle of 45∘ and 30∘ 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