# physics

posted by squires

Wiley Coyote (Carnivouous hungribilous) is chasing the roadrunner (Speediburd cant- catchmi) yet again. While running down the road, they come to a deep gorge, 22 m straight across and 101 m deep. The roadrun- ner launches itself across the gorge at a launch angle of 20◦ above the horizontal, and lands with 2.1 m to spare.

The acceleration of gravity is 9.81 m/s2 .
What was the roadrunner’s launch speed? Ignore air resistance.

Wiley Coyote launches himself across the gorge with the same initial speed, but at a lower launch angle. To his horror, he is short of the other lip by 1.2 m and falls into the gorge.
What was Wiley Coyote’s launch angle? Answer in units of ◦

1. liaka

use trig functions

2. Anonymous

123

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