(a) the intensity of sound coming from a speaker 2 m away is 80 db. how far away must you stand for the intensity to be reduced to 40 db? (b) the earth has a radius of r = 6.4 106 m. it orbits the sun in a nearly circular orbit at an average distance of 1.5 101m. the solar intensity at the upper atmosphere is 1367 w/m2. how much energy does the sun radiate per second?

Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d