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

2021 · 16 Mar · Shift 2 · Q51
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. /2021 · 16 Mar · Shift 2 · Q51

Motion in A Plane question

2021 · 16 Mar · Shift 2 · Q51

JEE MainPhysicsMotion in A PlaneMCQ+4 / −1
A mosquito is moving with a velocity v→=0.5t2i^+3tj^+9k^\overrightarrow v = 0.5{t^2}\widehat i + 3t\widehat j + 9\widehat kv=0.5t2i+3tj​+9k m/s and accelerating in uniform conditions. What will be the direction of mosquito after 2 s?
  1. A
    tan⁡−1(856){\tan ^{ - 1}}\left( {{\sqrt {85} } \over 6}\right)tan−1(685​​) from y-axis
  2. B
    tan⁡−1(52){\tan ^{ - 1}}\left( {{5 \over 2}} \right)tan−1(25​) from y-axis
  3. C
    tan⁡−1(23){\tan ^{ - 1}}\left( {{2 \over 3}} \right)tan−1(32​) from x-axis
  4. D
    tan⁡−1(52){\tan ^{ - 1}}\left( {{5 \over 2}} \right)tan−1(25​) from x-axis
PreviousNext

More from Motion in A Plane

  • A swimmer can swim with velocity of 12 km/h in still water. Water flowing in a river has velocity 6 km/h. The direction with respect to the direction of flow of river water he should swim in order to reach the point on the other bank just…2021 · Numerical
  • A person is swimming with a speed of 10 m/s at an angle of 120 ∘ with the flow and reaches to a point directly opposite on the other side of the river. The speed of the flow is 'x' m/s. The value of 'x' to the nearest integer is ​…2021 · Numerical
  • A butterfly is flying with a velocity 42​ m/s in North-East direction. Wind is slowly blowing at 1 m/s from North to South. The resultant displacement of the butterfly in 3 seconds is :2021 · MCQ
  • A bomb is dropped by fighter plane flying horizontally. To an observer sitting in the plane, the trajectory of the bomb is a :2021 · MCQ
  • The trajectory of a projectile in a vertical plane is y = α x −β x2, where α and β are constants and x & y are respectively the horizontal and vertical distances of the projectile from the point of projection.…2021 · MCQ
  • A player kicks a football with an initial speed of 25 ms − 1 at an angle of 45 ∘ from the ground. What are the maximum height and the time taken by the football to reach at the highest point during motion ? (Take g = 10 ms − 2)2021 · MCQ
  • A swimmer wants to cross a river from point A to point B. Line AB makes an angle of 30 ∘ with the flow of river. Magnitude of velocity of the swimmer is same as that of the river. The angle θ with the line AB should be ​… Includes diagram2021 · Numerical
  • A helicopter is flying horizontally with a speed 'v' at an altitude 'h' has to drop a food packet for a man on the ground. What is the distance of helicopter from the man when the food packet is dropped?2021 · MCQ