Mary wishes to lose 5 pounds before her vacation in approximately 5 weeks. her average consumption is 2,100 kilocalories per day. how many kilocalories should she consume daily to begin to lose this weight, assuming her activity pattern remains unchanged?

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.

Light from two different sources are incident upon the same side of a polarizing filter. light from one source is polarized with total intensity ip, while light from the other source is unpolarized with total intensity iu. as you rotate the polarizing filter through 360 degrees, the intensity of the transmitted light on the other side varies by a factor of 9. what is the relative intensity of the initial polarized source to the unpolarized source, or ip/iu?