A train of 150 m length is going towards north direction at a speed of 10 ms -1 . A…
Physics · JEE Main · NTA Exams — Kinematics
A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1 towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
- 12 s
- 8 s
- 15 s
- 10 s
Answer
(B) 8 s
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Assertion: Straight line motion is the natural tendency of the body. Reason: Motion in a straight line is an…
- If then the expression ^ -1 + (1+ ^ 2 ) ( - ) + ^ -1 + (1+ ^ 2 ) ( - ) + ^ -1 + (1+ ^ 2 ) ( - ) is equal to:
- A shell burns on contact with the ground and fragments fly in all directions with speeds up to 40 m/sec. A…
- The number of real roots of the equation ^ -1 x(x+1) + ^ -1 x^ 2 +x+1 = 4 is
- The position x of a particle with respect to time t along x-axis is given by x=9 t^ 2 -t^ 3 , where x is in…
- If the initial velocity of a projectile be doubled. Keeping the angle of projection same, the maximum height…
- A stone thrown upward with a speed u from the top of a tower reaches the ground with a velocity 3u. The…
- A ball whose kinetic energy is ( E = 1 2 mu ^ 2 ) , is projected at an angle of 45° to the horizontal. The…