Abody with a mass of 5 kg has the same kinetic energy as a second body. the second body has a mass of 10 kg and is moving at a speed of 20 m/s. how fast is the second body moving?

An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c. take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

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.