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In this lesson, we will learn how to apply the laws of the uniform acceleration motion of a particle in a straight line.

Q1:

The figure shown is a speed-time graph for a body moving in a straight line. Given that its initial speed was 5 m/s, determine the bodyโs acceleration during the part of the journey where the body was accelerating.

Q2:

A particle is moving in a straight line such that its acceleration ๐ = โ 3 / m s 2 and its initial velocity is 39 m/s. Find its displacement during the time interval from ๐ก = 1 to ๐ก = 9 s e c o n d s .

Q3:

If a particle which was moving in a straight line with an initial velocity ๐ฃ 0 started decelerating at a rate of 10 m/s^{2} such that it came to rest 5 seconds later, what would the bodyโs velocity be 6 seconds after it started decelerating? Let the direction of the initial velocity be the positive direction.

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