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AP EAMCET202421 May 2024Evening ShiftPhysicsMotion in Two DimensionsActual

The maximum height attained by projectile is increased by 10 % by keeping the angle of projection constant. What is the percentage increase in the time of flight?

Options

  1. A5 %
  2. B10 %
  3. C20 %
  4. D40

Correct answer

A. 5 %

Step-by-step solution

aligned & H = u ^2 ^2 2 ~g , ~T = 2 u ~g & H ~T = u ^2 ^2 2 ~g g 2 u = 1 4 u aligned Also, u T aligned & H ~T ~T H ~T ^2 ( ~T ₂ ~T ₁ )= 1.1 H ₁ H ₁ = 1.1 & ~T ₂= 1.1 ~T ₁=1.05 ~T ₁ & ~T %=5 % aligned

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