The oxygen taken in by the body reacts with fats, carbohydrates, and protein, liberating energy internally at a rate of about 1.96×10^4 j /liter. if a 77.6 kg man requires 70.0 w of power even while sleeping, what is his rate of oxygen consumption?

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?