A reconnaissance plane flies 565 km away from its base at 484 m/s, then flies back to its base at 726 m/s. What is its average speed? Answer in units of m/s.

Jake has a nine month old son. how can he build his self esteem

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.