Asked by luma

Another scheme to catch the roadrunner has failed. A safe falls from rest the top of a 30.2 m high cliff toward Wiley Coyote, who is standing at the base. Wiley first notices the safe after it has fallen 17.4 m.
How long does he have to get out of the way? The acceleration of gravity is 9.8 m/s^. Answer I units of s.

Answers

Answered by Henry
0.5g*t^2 = 30.2-17.4 = 12.8 m. Above gnd
4.9*t^2 = 12.8.
t^2 = 2.61 s.
Answered by dj
2.01s
Answered by Goyte
35
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