An astronomer is investigating a faint star that has recently been discovered in very sensitive surveys of the sky. the star has a magnitude of 16. how much less bright is it than antares, a star with magnitude roughly equal to 1?

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

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?