Homework Help: physics

Posted by Anonymous on Tuesday, October 9, 2012 at 9:13pm.

A ball is thrown vertically upward with a
speed of 24.7 m/s from a height of 2.0 m.
How long does it take to reach its highest point? The acceleration of gravity is
9.81 m/s
2
.
Answer in units of s

physics - Elena, Wednesday, October 10, 2012 at 5:01pm
v=v₀-gt
v=0
v₀-gt=0 =>t=v₀/g=24.7/9.8 = 2.52 s

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