Which type of radio waves have the highest frequency and are used in radar detection?
a. microwaves
b. x-rays waves
c. infrared waves
d. gamma rays

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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.