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A ballon tied with a piece of wooden15 in/is moving upward with Velocityheight of 300mabove the ground, the wooden piece is detached How much time will it take to reach the ground |
Answer» <html><body><p>s = <a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a> t + 1/2 <a href="https://interviewquestions.tuteehub.com/tag/g-1003017" style="font-weight:bold;" target="_blank" title="Click to know more about G">G</a> t^2s is the height above <a href="https://interviewquestions.tuteehub.com/tag/ground-1013213" style="font-weight:bold;" target="_blank" title="Click to know more about GROUND">GROUND</a>, 300 m.u is initial vertical <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a>, zero.t is time to reach the ground.g is <a href="https://interviewquestions.tuteehub.com/tag/acceleration-13745" style="font-weight:bold;" target="_blank" title="Click to know more about ACCELERATION">ACCELERATION</a> of gravity near Earth, 9.8 m/s^2.300 m = 0 t + 1/2 (9.8 m/s^2) t^2300 m = (4.9 m/s^2) t^261.22 s^2 = t^27.82 secondsExplanation:Hope this will help you</p></body></html> | |