Test: Motion in a Plane (NCERT) - NEET MCQ
10 Questions MCQ Test - Test: Motion in a Plane (NCERT)
The (x, y, z) coordinates of two points A and B are given respectively as (0, 4, -2) and (-2, 8, -4). The displacement vector from A to B is:
A person moves 30 m north, then 30 m east, then 30√2 m south-west. His displacement from the original position is:
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A bird flies from (-3m, 4m, -3m) to (7m, -2m, -3m) in the xyz- coordinates. The bird's displacement vector is given by
On an open ground, a motorist follows a track that turns to his left by an angle of 60° after every 500 m. Starting from a given turn, the displacement of the motorist at the third turn is
Four girls skating on circular ice ground of radius 200 m start from a point P on the edge of the ground and reach a point Q diametrically opposite to P following different paths as shown in figure. For which girl displacement is equal to the actual length of path?
A particle starts moving from point (2, 10, 1). Displacement for the particle is 
The final coordinates of the particle is
For any arbitrary motion in space, which of the following relations is true?
The position of a particle is given by 
where t is in seconds and the coefficients have the proper units for
to be in metres. The direction of velocity of the particle at t = 1 s is
Let θ be angle which the direction of
makes with the
If x = 5t + 3t2 andy = 4t are the x and y co-ordinates of a particle at any time t second where x and y are in metre, then the acceleration of the particle
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