The figure shows two observers 20 m apart on a line that connects them and a spherical light source. If the observer nearer the source measures a light intensity 46 % greater than the other observer, how far is the nearer observer from the source?

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

What is a costume plot? why is it important to a film or theater production?

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.