Asked by Deborah

A basketball player is running at 5.10 m/s directly toward the basket when he jumps into the air to dunk the ball. He maintains his horizontal velocity.
(a) What vertical velocity does he need to rise 0.800 meters above the floor

Answers

Answered by Elena
v(vert) = sqrt (2gh) = =sqrt(2•9.8•0.8)=3.96 m/s
Answered by MathMate
Use kinematic equation
v^2-u^2=2as
v=0 (at 0.8m above floor)
u=unknown
a=-9.81
s=0.8
u^2=√(2*9.81*0.8)=15.696
u=4 m/s approx.
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