On a three hour trip, a boat first travels 60 km to the East, then turns around and travels 10 km to the West. Calculate the following for the boat: Distance: Displacement: Average Speed: Average Velocity:

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.

What is a carrier wave and how does it affect what you hear on the radio

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?