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Initial velociti of particle is 8i+4j and acceleration is -2i then after what time velocity will be perpendicular to initial velocity

Initial velociti of particle is 8i+4j and acceleration is -2i then after what time velocity will be perpendicular to initial velocity

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Consider ai + bj being the final velocity afrer time t

1. Dot product is zero
8a+ 4b = 0

2. Using laws of motion
other 2 equation can be obtained

Aim is to get 3 equations for 3 unknown

Now you can begin solving

If problem persists kindly reply

Regards

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