a.
h = (1/2) g t^2
so
4.9 t^2 = 15
find t
b.
v = gt
c.
u is constant. There is no vertical force
u = 4/t
Ican Flye performs the infamous "Triple Lindy" dive from a point 15 m above water.
a. If he starts his dive with no vertical velocity, how long will it take him to hit the water?
b. How fast will he be traveling vertically when he hits the water?
c. If he hits the water at a point 4 m horizontally out from the takeoff point, what is his horizontal velocity at takeoff and again at the instant he hits the water?
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