Question

An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point 23.9 m below its starting point 6.70 s after it leaves the thrower’s hand. Air resistance may be ignored. c) What is the magnitude of the velocity at it's highest point assume gravity is -9.80 m/s^2

Answer 1

Given that t=6.7 and h = -23.9 ( Taking starting point as origin) the using 2nd equation of motion

$h=ut-\frac{1}{2}gt^2\Rightarrow -23.9=u\times6.7-\frac{1}{2}\times9.8\times6.7^2 \Rightarrow u=29.26 m/s$