Motion in a Str...

The displacement of a particle is given by x = (t – 2)² where x is in meters and t in seconds. The distance covered by the particle in the first 4 seconds is:

The ratio of displacement to distance is:

A vehicle travels half the distance L with speed V₁and the other half with speed V₂, then its average speed is

Which of the following statements about distance is true?

Which of the following quantity remains constant during the uniform circular motion?

The magnitude of average velocity is equal to the average speed if the motion of an object is along a straight line and in the same direction.

A particle is moving along a circle of radius R such that it completes one revolution in 40 seconds. What will be the displacement after 2 minutes 20 seconds?

The numerical ratio of velocity to speed is:

Two escalators move people up and down between floors of a shopping mall at the same rate, either up or down. What of the following statements regarding the motion of the escalators is true?

A coordinate system that enables us to describe the position of a body in space at any instant of time is called:

The displacement of a particle starting from rest (at t = 0) is given by s = 6t²-t³ . The time in seconds at which the particle will attain zero velocity again, is

The displacement of an object may be:

If a body does not change its direction during the course of its motion, then ______.

36 km/h is equal to:

The ratio of magnitude of velocity and speed is always:

Suppose our school is 1 km away from our house, and we go to school in the morning, and in the afternoon we come back. Then, the total displacement for the entire trip is:

An object is in uniform motion along a straight line if it:

A man starts from his home with a speed of 4 km/h on a straight road up to his office 5 km away and returns to home, then the path length covered is:

A car covers a distance of 5 km in 5 mins, its average speed is equal to:

Which of the following is not an example of a rectilinear motion?