Air conditioning and refrigeration reversible ratchet wrenches are used to . A. tighten hex head sheet metal screws B. tighten flare nuts C. open and close refrigerant service valves D. tighten nuts that cannot be reached with other wrenches

are there answer choices to this question? this seems like a question where you have options to choose from.

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.

no. dot product   =0 when vecs at right angles

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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