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BITSAT2014PhysicsMotion in Two DimensionsActual

A projectile is fired with a velocity u making an angle with the horizontal. What is the magnitude of change in velocity when it is at the highest point -

Options

  1. Au
  2. Bu
  3. Cu
  4. Du - u

Correct answer

C. u

Step-by-step solution

Initially u = i + u j . At highest point v = u i difference is u

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