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A coconut is hanging on a tree at a height of 15 m from the ground. A body launches a projectile vertically upwards with a velocity of 20 m/s. After what time will the projectile pass by the coconut. Explain the two answers you get in this problem.​

Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/tion-1420808" style="font-weight:bold;" target="_blank" title="Click to know more about TION">TION</a>:distance of coconut from the grounds=15mu=20sma=9.8s2mfroms=ut+21at215=20t−2110t23=4t−t2⟹t2−4t+3=0⟹(t−1)(t−3)=0⟹t=1,3at time t=1 second <a href="https://interviewquestions.tuteehub.com/tag/projectile-1169321" style="font-weight:bold;" target="_blank" title="Click to know more about PROJECTILE">PROJECTILE</a> passes the coconut by <a href="https://interviewquestions.tuteehub.com/tag/going-1008806" style="font-weight:bold;" target="_blank" title="Click to know more about GOING">GOING</a> <a href="https://interviewquestions.tuteehub.com/tag/upwards-2318352" style="font-weight:bold;" target="_blank" title="Click to know more about UPWARDS">UPWARDS</a> and t=3 seonds it passes the coconut <a href="https://interviewquestions.tuteehub.com/tag/coming-922990" style="font-weight:bold;" target="_blank" title="Click to know more about COMING">COMING</a> downwards</body></html>


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