3.6) Line AD is observed in 3 sections AB BC and 13 CDs with length and standard deviation as listed
below. what is the total length AD and its standed
deration?ta) AB - 572.124.0,02 47,8C =7074.38_0103 he
20
2 CD = 1542 78 toost BAB= 232,965 tatoom
2 BC=743.030 taott CD=652.250mt aloosm​

Because air resistance is being ignored, the ball has the same amount of energy at any point in time. The energy simply gets inter converted between kinetic and potential energy as the ball gets higher and slows. No more energy is added or lost after it leaves the thrower’s hand.

Hope this helps!