Name the physical quantity which corresponds to the rate of change of momentum.

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Force

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Using following data, draw time-displacement graph for a moving object :

Time $(s)$ $0$ $2$ $4$ $6$ $8$ $10$ $12$ $14$ $16$
Displacement $(m)$ $0$ $2$ $4$ $4$ $4$ $6$ $4$ $2$ $0$

Use this graph to find average velocity for first $4\,\sec $, for next $4\,\sec $ and for last $6\,\sec $.

Ali while driving to school computes the average speed for his trip to be $20\, km h^{-1}$. On his return trip along the same route there is less traffic and the average speed is $30\, km h^{-1} .$ What is the average speed for Ali's trip ?

Area under speed$-$time graph is equal to the

Write true or false for the following statements

In one$-$dimensional motion, the average velocity and the instantaneous velocity are unequal.

A girl walks along a straight path to drop a letter in the letterbox and comes back to her initial position. Her displacement-time graph is shown in Fig. Plot a velocity - time graph for the same.