A body covers 20 m in 2 s and another 20 m in next 4 s. Arrange the following steps in seque

step 1 Let's talk about question number 25. It's case that a body covers 20 meters in two seconds and a

A body covers 20 m in 2 s and another 20 m in next 4 s....

A body covers $20 \mathrm{~m}$ in $2 \mathrm{~s}$ and another $20 \mathrm{~m}$ in next $4 \mathrm{~s}$. Arrange the following steps in sequential order to find the average velocity of the body. (a) Find the displacements of the body in first $2 \mathrm{~s}$ and next $4 \mathrm{~s}$ from the given data. (b) Find the total displacement of the body. (c) Find the total time taken by the body to complete the total displacement. (d) Use the formula, average velocity $=\frac{\text { Total displacement }}{\text { Total time taken }}$ (1) abcd (2) adcb (3) dcba (4) dbca

A body covers $20 \mathrm{~m}$ in $2 \mathrm{~s}$ and another $20 \mathrm{~m}$ in next $4 \mathrm{~s}$. Arrange the following steps in sequential order to find the average velocity of the body.
(a) Find the displacements of the body in first $2 \mathrm{~s}$ and next $4 \mathrm{~s}$ from the given data.
(b) Find the total displacement of the body.
(c) Find the total time taken by the body to complete the total displacement.
(d) Use the formula, average velocity $=\frac{\text { Total displacement }}{\text { Total time taken }}$
(1) abcd
(2) adcb
(3) dcba
(4) dbca

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Key Concepts

Displacement

Displacement is a vector quantity that represents the change in position of an object from its starting point to its final location. It is fundamental in kinematics because it incorporates both magnitude and direction, which allows for calculating how far and in what direction an object has moved.

Elapsed Time

Elapsed time refers to the total duration over which an event or motion takes place. In physics problems involving motion, accurately summing the individual time intervals is crucial for determining quantities like average velocity.

Average Velocity

Average velocity is defined as the total displacement divided by the total elapsed time. It provides a measure of how fast an object moves in a particular direction over a specified time interval and is central to many kinematics problems.

Sequential Problem Solving

Sequential problem solving is the process of breaking down a complex problem into a series of logically ordered steps. This technique is critical in physics as it ensures that all necessary components, such as identifying individual displacements, summing them to find the total displacement, adding time intervals, and then applying the appropriate formula, are systematically and correctly applied.

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