Question 17 of 308
The position of a particle related to time is given by . The magnitude of velocity of the particle at s will be :
Show answer and solution
Answer: (D)
It is given that
The velocity is given by
At ,
The velocity is given by
At ,
Kinematics
JEE Main level, single correct, medium
JEE Main question paper PDF
Open a shift to read the full paper on this page, or download it.
Opening paper…
More Physics practice
- KinematicsA projectile is launched with velocity at an angle with horizontal. The ratio of maximum height to horizontal range is:
- KinematicsA vehicle travelling at stops in a distance of upon applying brakes. If the speed is doubled to , the stopping distance under same retardation is (in m):
- KinematicsA car accelerates from rest at for . The distance covered is:
- KinematicsA sportsman runs around a circular track of radius such that he traverses the path . The distance travelled and displacement, respectively, are
- KinematicsA person travelling on a straight line moves with a uniform velocity for a distance x and with a uniform velocity for the next distance. The average velocity in this motion is . If is then _________ .
- KinematicsA particle moving in a straight line covers half the distance with speed . The other half is covered in two equal time intervals with speeds and respectively. The average speed of the particle during the motion is :
JEE Main Physics practice question on Kinematics (Rest and Motion), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.