Angle change due to acceleration

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When an object moving north experiences a 30-degree acceleration from the northwest, the reaction velocity will not simply form an obtuse angle of 90 + 30 degrees. Instead, the final velocity must be calculated by determining the change in velocity due to the acceleration, which is influenced by the duration of the acceleration. Vector addition is necessary to combine the initial velocity with the change in velocity to find the new resultant velocity. Understanding the vector components is crucial for accurate calculations. The final velocity will reflect the combined effects of both the initial motion and the acceleration applied.
saikrishnadee
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now if an object is moving towards the north and then an acceleration of an angle 30 degree hit the body from north west...will the reaction velocity move at an angle of 90 + 30 degrees forming an obtuse angle ?
 
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I assume by "reaction velocity" you mean the final velocity? You need to find the change in velocity produced by the acceleration, which depends on how long it acted. Then add the initial velocity and the change in velocity (using vector addition) to find the new velocity.
 
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