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Physics - Solved Example Problems for Distance and Displacement | 11th Physics : Kinematics

Chapter: 11th Physics : Kinematics

Solved Example Problems for Distance and Displacement

Physics : Kinematics : Solved Example Problems for Distance and Displacement and Vector in Cartesian Coordinate System.

Solved Example Problems for Distance and Displacement

Example 2.15

Assume your school is located 2 km away from your home. In the morning you are going to school and in the evening you come back home. In this entire trip what is the distance travelled and the displacement covered?

Solution


The displacement covered is zero. It is because your initial and final positions are the same.

But the distance travelled is 4 km.

Example 2.16

An athlete covers 3 rounds on a circular track of radius 50 m. Calculate the total distance and displacement travelled by him.

Solution


The total distance the athlete covered =3x circumference of track


The displacement is zero, since the athlete reaches the same point A after three rounds from where he started.


Solved Example Problems for Displacement Vector in Cartesian Coordinate System

Example 2.17

Calculate the displacement vector for a particle moving from a point P to Q as shown below. Calculate the magnitude of displacement.


Solution



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