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A stone dropped from a building takes 4 seconds to reach the ground. The height of the building is |
Answer» <html><body><p>tion:initial <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a> = 0time <a href="https://interviewquestions.tuteehub.com/tag/taken-659096" style="font-weight:bold;" target="_blank" title="Click to know more about TAKEN">TAKEN</a> = 4sacceleration = g = 9.8m/s^2using <a href="https://interviewquestions.tuteehub.com/tag/2nd-300843" style="font-weight:bold;" target="_blank" title="Click to know more about 2ND">2ND</a> equation of motion s= ut +(1/2)at^2= (0)(4) +(1/2)(9.8)(4)(4)= 78.4So, distance <a href="https://interviewquestions.tuteehub.com/tag/covered-2552266" style="font-weight:bold;" target="_blank" title="Click to know more about COVERED">COVERED</a> by that stone was 78.4m</p></body></html> | |