What piece of equipment should never be allowed to dangle freely? Alternate-air-source second stage. BC power inflator. Submersible pressure gauge or instrument console. Both the first and third answers are correct.

Coal contains energy. a. light b. kinetic c. chemical d. mechanical

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

Awave that is traveling fast can be said to have a high a. frequency b. speed c. wavelength d. amplitude e. period f. none of these