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Two projectiles thrown from the same point at angles60^(@)and 30^(@)with the horizontal attain the same height . Which of the following statements is a correct statement ? |
Answer» <html><body><p>The ratio of their initial velocityies is`sqrt(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>)`<br/>The ratio of their initial velocities is`(1)/(sqrt(3))` <br/>The ratio of their initial velocities is 1.<br/>The ratio of their initial velocities is infinity .</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`h_("<a href="https://interviewquestions.tuteehub.com/tag/max-546895" style="font-weight:bold;" target="_blank" title="Click to know more about MAX">MAX</a>") = (u^(2) sin^(2) theta)/(2g)`<br/>`h_("max")`is same in both the cases .<br/>`u_(1)^(2) sin^(2)<a href="https://interviewquestions.tuteehub.com/tag/30-304807" style="font-weight:bold;" target="_blank" title="Click to know more about 30">30</a>^(@)`<br/>`(u_(1))/(u_(2)) = (sin 30^(@))/(sin 60^(@))`<br/>`= (1)/(2) <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> (2)/(sqrt(3)) = (1)/(sqrt(3))`</body></html> | |