Given the height of rod, length of shadow of tree and length of shadow of the rod, estimate the height of the tree? Given:height of rod=150cm, Length of shadow of the rod=120cm and length of shadow of the tree =800cm​

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.