NEED HELP WITH PHYSICS HW! HURRY!! (**need expert**) I've been stuck on this for two hours, and I don't know what's the answer.

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A traffic light hangs from a pole as shown in (Figure 1). The uniform aluminum pole AB is 7.30 m long and has a mass of 14.5 kg . The mass of the traffic light is 22.5 kg .

QUESTION: Determine the tension in the horizontal massless cable CD.

Natural forces that can alter ecosystems include seasons and climate changes. t or f

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

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