# pls tell me this questions answer

## Answers

**Answer:**

good question and

**Explanation:**

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*Given:The velocity time graph of a moving body.To find:(i) the acceleration in parts AB, BC and CD.(ii) displacement in each part AB, BC, CD, and(iii) total displacement.*

*Answer:Consider the attached figure while goingthrough the following steps.*

*We use the formula,*

*Acceleration = (final velocity - initial velocity)/**2*

* ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **i) The acceleration in parts AB, BC and CD** **Acceleration in AB = (30 - 0)/4 = 17.5 m/s*

*Acceleration in AB = (30 - 0)/4 = 17.5 m/*

*Acceleration in AB = (30 - 0)/4 = 17.5 m/Acceleration in BC = 0 m/s (The body is at rest)Acceleration in CD = (0-30)/2 = -15 m/s*

*(ii) Displacement in each part AB, BC, CD*

*Acceleration in AB = (30 - 0)/4 = 17.5 m/sAcceleration in BC = 0 m/s (The body is at rest)Acceleration in CD = (0-30)/2 = -15 m/**s*

*(iii) Total displacement.Displacement of parts AB + BC + CD = 60 + 120 + 30 = 210m*