5 m long scaffold weighs 80 N. It is hanging from wires at each end. A 200 N box sits with its center 1 m from the left end. What is the tension in each wire

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?

As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?