Iwill mark which statement correctly compares radio waves and microwaves? a) radio waves have a higher frequency than microwaves. b) radio waves have shorter wavelengths than microwaves. c) only radio waves are used in communication. d) radio waves have lower radiant energy than microwaves.

What is the momentum of a 2 kg object moving at 15 meters per second

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere

An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station