suppose a person is pulling a rope attached to a load then during the calculations of number of forces acting on it do i have to take force applied by a man along with the tension or only tension (explain it with reason) please help in a hurry please i beg you someone

The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes