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JEE Main2005PhysicsMotion in Two DimensionsActual

A projectile can have the same range R for two angles of projection. If t ₁ and t ₂ be the times of flights in the two cases, then the product of the two time of flights is proportional to

Options

  1. AR ^2
  2. B1 / R^2
  3. C1 / R
  4. DR

Correct answer

D. R

Step-by-step solution

t ₁ t ₂= 2 u ^2 2 g ^2 = 2 R g

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