t. We recognize the last y-velocity, the initial y-velocity and also the acceleration. So we’ll subtract the early stage y-component from both sides and also then divide both sides by A. And we finish up with this formula below after switching the political parties around, so we have actually t equates to the final velocity in the y-direction, minus the initial velocity in the y-direction, split by the upright acceleration. For this reason that's an unfavorable 12 meter per second as the final y-velocity, that's what we discovered here. And then subtract from the the initial y-velocity i beg your pardon is optimistic 12 meters per second, and also divide that by the acceleration, which is directed downwards in ~ 9.8 meters 2nd squared. And that provides 2.4 secs as the lot of time it will invest in the air. Component C asks, what is the maximum elevation attained by the ball? therefore we need to know that the y-velocity will certainly be zero once the round reaches its preferably height. And also so knowing that, we deserve to use this formula to figure out what the maximum elevation will be. So in the y-direction, we can say the the final velocity squared, which is zero, amounts to the early y-velocity squared, plus 2 times upright acceleration, times vertical displacement. So we'll resolve for d by subtracting the early y squared indigenous both sides. And also then divide both political parties by 2a and also we end up v the maximum elevation or the upright displacement in other words, is an unfavorable the initial y squared over two, time acceleration. For this reason that's an adverse of 12 meter per 2nd squared, separated by two, times an adverse 9.8 meters per second squared, i m sorry is 7.3 meter maximum height.">

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