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A projectile is projected at an angle \theta with speed v. By what factor does time of flight will change when the speed is increased to 5 times of original value ?

  • Option 1)

    Time of flight increases by 5 times

  • Option 2)

    Time of flight decreases by 5 times

  • Option 3)

    Time of flight remains constant

  • Option 4)

    Time of flight increases by 25 times

 

Answers (1)

\because T=\frac{u \sin \Theta }{g}\\* T\alpha u \\*\\* u \: increases\: by \: 5\: time \\* T also \: increases\: by \: 5\: time

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Safeer PP

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