A comet of mass 1.20 3 1010 kg moves in an elliptical orbit around the Sun. Its distance from the Sun ranges
between 0.500 AU and 50.0 AU. (a) What is the eccentricity of its orbit? (b) What is its period?

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

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

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c