Question
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.
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
0.5g*t^2 = 30.2-17.4 = 12.8 m. Above gnd
4.9*t^2 = 12.8.
t^2 = 2.61 s.
4.9*t^2 = 12.8.
t^2 = 2.61 s.
2.01s
35
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